Sikula, Andrew F.
Cal Wiley, 1976
Buku Teks
Kindall, Alva F
Irwin 1964, 1964
Buku Teks
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1999
UI - Skripsi (Membership)
Raymond A. Noe
McGraw-Hillm, 2006
Buku Teks
Fombrun, Charles
John Wiley & Sons, 1984
Buku Teks