Farley, John E.
Prentice-Hall, 1987
Buku Teks
Yusrin Amalina
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2020
UI - Skripsi (Membership)
Kevin R. Cox and Reginald G. Golledge, editors
Routledge, 2016
Buku Teks
Simon, David R.
McGraw-Hill, 1995
Buku Teks
edited by L. Andries van der Ark
Lawrence Erlbaum Associates, 2005
Buku Teks