Moore, Peter G., author
Longman , 1972
Buku Teks
Thomas, Howard, author
Pitman, 1972
Buku Teks
Hastings, N.A.J., author
John Wiley & Sons, 1978
Buku Teks
Herrmann, Jeffrey W., author
Wiley, 2015
Buku Teks
Romauli, author
Fakultas Ilmu Administrasi Universitas Indonesia, 2020
UI - Tesis (Membership)