Lawler, Edwar E.
Brooks/Cole, 1973
Buku Teks
Steers, Richard M., compiler
McGraw-Hill, 1991
Buku Teks
Laras Kusumaningtyas, author
Fakultas Psikologi Universitas Indonesia, 2014
UI - Skripsi (Membership)
Steers, Richard M., compiler
McGraw-Hill , 1983
Buku Teks
Erita Marisdianti, author
Fakultas Psikologi Unversitas Indonesia, 2017
UI - Skripsi (Membership)