Baxter, S., Chodorkoff, B., and Underhill, R.: "Psychiatric Emergencies: Dispositional Determinants and the Validity of the Decision to Admit". Amer. J. Psychiat.124 : 1542-1548, 1968.
2.
Edwards, A.L.: Experimental Design in Psychological Research. New York : Rinehart & Company, Inc., 1960.
