Betz, Nancy E.
Academic Press, 1987
Buku Teks
Kato, Shuichi, 1919-2008
Academic Press, 1965
Buku Teks
Miller, Louise
VGM Career Horizons, 1995
Buku Teks
Moeljono Adikoesoemo, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1983
UI - Skripsi (Membership)
Fitzgerald, F. Scott, author
Longman, 1993
Buku Teks