Arindra Artasya Zainal, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1981
UI - Skripsi (Membership)
Habsari Kuspurwahati, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1982
UI - Skripsi (Membership)
Pandit, Sudhakar M.
New York John Wiley and Sons 1983,
Buku Teks
edited by Frank N. Magill
Salem Press, 1984
Buku Referensi
editor, Norman Fairclough; penerjemah, Hartoyo
IKIP Semarang Press, 1995
Buku Teks