Abrahamson, M. (1990). Sociological theory: An introduction to concepts, issues, and research (2nd ed.). Englewood Cliffs, NJ: Prentice-Hall.
2.
Anderson, G. C. (1989). Skin-to-skin: Kangaroo care in Western Europe. American Journal of Nursing, 89, 662-666.
3.
Anderson, G. C. , Marks, E. A., & Wahlberg, V. (1986). Kangaroo care for premature infants. American Journal of Nursing, 86, 807-809.
4.
Barnard, K. (1985). Nursing Child Assessment Satellite Training: Instructor's learning resource manual. Seattle: University of Washington Press.
5.
Bowiby, J. (1958). Nature of a child's tie to his mother. International Journal of Psychoanalysis, 39, 350-373.
6.
Brazelton, T. B. (1973). Brazelton Neonatal Behavioral Assessment Scale. Philadelphia: Lippincott.
7.
Brazelton, T. B. , Nugent, J. K., & Lester, B. M. (1987). Neonatal Behavioral Assessment Scale. In J. D. Osofsky (Ed.), Handbook of infant development (pp. 780-817). New York: Wiley.
8.
Caldwell, B. , & Bradley, R. (1970). Home Observation for Measurement of the Environment. Little Rock: University of Arkansas Center for Child Development.
9.
Caplan, G. (1960). Patterns of parental response to the crisis of premature birth. Psychology, 23, 365-374.
10.
Heiss, J. (Ed.). (1976). Family roles and interaction. An anthology. Chicago: Rand McNally.
11.
Klaus, M. H. , & Kennell, J. H. (1976). Maternal-infant bonding. St. Louis, MO: Mosby.
12.
Klaus, M. H. , & Kennell, J. H. (1982). Parent-infant bonding (2nd ed.). St. Louis, MO: Mosby.
13.
Mead, G. H. (1934). Mind, self, and society. Chicago: University of Chicago Press.
14.
Spitz, R. A. , & Cobliner, W. G.(1965). Thefirstyear of life. New York: International Universities Press.
15.
Whitelaw, A. , Heisterkamp, G., Sleath, K., Acolet, D., & Richards, M. (1988). Skin-to-skin contact for very low birthweight infants and their mothers. Archives of Disease in Children, 63, 1377-1381.