BennettMargaret E., Guidance and Counselling in Groups, McGraw-Hill Book Co., New York, 1963.
2.
SuehsdorfAdie (ed.), What to Tell Your Children About Sex (rev. ed. of Facts of Life for Children, Child Study Association of America), Permabooks, New York, 1959.
3.
GoodeWilliam J., and HattP. K., Methods in Social Research, McGraw-Hill Book Co., New York, 1952, pp. 132–69.