Farmasi FMIPA UI , 1999
Buku Teks
Susan M. Stein
Lippincott Williams & Wilkins, 2015
Buku Teks
edited by Larry E. Boh; consulting editor, Lloyd Y. Young
Lippincott Williams & Wilkins, 2001
Buku Referensi
Ballast, David Kent, author
Professional Publications, Inc., 2002
Buku Referensi
American Psychological Association, 1991
Buku Referensi