Edo Yuliandra, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2013
UI - Skripsi (Membership)
Asa S. Knowles, editor-in-chief.
McGraw-Hill, 1970
Buku Referensi
Eckel, JR Peter J.
AVI Publishing, 1985
Buku Teks
Newman, John Henry
J. M. Dent & Sons Ltd., 1956
Buku Teks
Graduate School of Business, Stanford University, 1959
Buku Teks