Achlam Said Basalamah
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Skripsi Membership
Savage, Donald T.
John Wiley & Sons, 1977
Buku Teks SO
Miller, Roger LeRoy
McGrow-Hill, 1985
Buku Teks SO
Auerbach, Robert D.
Macmillan, 1989
Buku Teks SO
edited by Charles J. Woelfel
Probus & Toppan, 1994
Buku Referensi