Hasluck, Paul
Melbourne University Press, 1977
Buku Teks
Hasluck, Paul
Hawthorn Press, 1975
Buku Teks
Guiltinan, Joseph P.
McGraw-Hill , 1982
Buku Teks
Schmolling, Paul Jr
Brooks/Cole Publishing Co., 1985
Buku Teks
edited by Robert K. Merton
Free Press, 1979
Buku Teks