edited by Leonard H. Goodman
Columbia University Press, 1966
Buku Teks
AI Huda Yusuf, author
Universitas Indonesia, 2011
UI - Tesis (Open)
edited by Michael J. Healey
Longman Scientific & Technical, 1991
Buku Teks
Shabad, Theodore, author
Frederick A. Praeger, 1956
Buku Teks
Gregor, Howard F., author
Van Nostrand Reinhold, 1963
Buku Teks