Godine, Morton Robert
Harvard University Press, 1951
Buku Teks
Weisbrod, Burton A.
University of California Press, 1978
Buku Teks
JAI Press, Inc., 1986
Buku Teks
JAI Press, Inc., 1988
Buku Teks
Kembaren, Arnold Salaba, author
2014
UI - Skripsi (Membership)