Gravetter, Frederick J., author
Salemba Empat, 2014
Buku Teks
Sritua Arief, author
UI-Press, 1993
Buku Teks
I.A. Suparman
Rajawali, 1990
Buku Teks
Zanten, Wim van, author
Gramedia Pustaka Utama, 1982
Buku Teks
Erickson, Bonnie H., author
LP3ES, 1983
Buku Teks