Hunter, Ronald P.
Prentice-Hall, 1978
Buku Teks
Ahmad Khairunnas
Fakultas Ilmu Administrasi Universitas Indonesia, 2014
UI - Skripsi (Membership)
Patranabis, D.
Tata McGraw-Hill, 1981
Buku Teks
Shinskey, F.G.
McGraw-Hill, 1979
Buku Teks
Patrick, Dale R.
Delmar Publishers, 1997
Buku Teks