Chusnul Chotimah, author
Fakultas Psikologi Universitas Indonesia, 2000
UI - Skripsi Membership
Cox, Harold, author
Prentice-Hall, 1984
Buku Teks
edited by Harold Cox
McGraw-Hill, 2013
Buku Teks
Quadagno, Jill S., author
McGraw-Hill, 2002
Buku Teks
Quadagno, Jill S., author
McGraw-Hill, 2002
Buku Teks