edited by Helen Corr and Lynn Jamieson
Macmillan, 1990
Buku Teks SO
Dyere, Everett D.
McGraw-Hill, 1979
Buku Teks SO
edited by Sylvia Ann Hewlett, Alice S. Ilchman and John J. Sweeney
Ballinger, 1986
Buku Teks SO
Rina
Fakultas Psikologi Universitas Indonesia, 2007
UI - Tesis Membership
Kidman, Antony
Biochemical & General Services, 1995
Buku Teks SO