Wilson, Billie Ann, author
Pearson Education, 2003
Multimedia
Roid, Galeh H.
Academic Press, 1982
Buku Teks
Demayanti Makmoen, author
Fakultas Psikologi Universitas Indonesia, 1978
UI - Skripsi (Membership)
Corwin, Charles H., author
Prentice-Hall, 2001
Buku Teks
by Billie Ann Wilson ... [and others]
Prentice-Hall, 2007
Buku Teks