Arlin Darliawati Asy Arie, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Tesis Membership
Ridwan Adi Pramanto, author
Fakultas Eknonomi dan Bisnis Universitas Indonesia, 2018
UI - Tesis Membership
Savage, Donald T., author
John Wiley & Sons, 1977
Buku Teks
Hasan, K.S., author
MacDonald and Evans, 1979
Buku Teks
Kamerschen, David R., author
South-Western Publishing, 1992
Buku Teks