Ross, Murray G., author
Harper & Row, 1955
Buku Teks
Columbia University Press , 1960
Buku Teks
Gena Bijaksana, author
2013
UI - Tesis (Membership)
edited by Mayer N. Zald
Quadrangle Books, 1967
Buku Teks
Schaller, Lyle E., author
Nashville-Abingdon Press , 1966
Buku Teks