Eiteman, David K.
Addison-Wesley Publishing , 1997
Buku Teks
Kwik Kian Gie School of Business, 2012
Buku Teks
Andreas Sutjiawan, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1983
UI - Skripsi (Membership)
Matz, Adolph, author
Ohio South-Western Publishing , 1967/1991
Buku Teks
Goldschmidt, Yaaqov
Cornell University Press , 1970
Buku Teks