Spiro, Herbert J., editor
Van Nostrand Reinhold, 1969
Buku Teks
Hicks, Ursula K.
Clarendon Press, 1969
Buku Teks
Yosie Octavia
Universitas Indonesia, 2009
UI - Tesis (Membership)
Spiro, Melford E.
Harvard University Press , 1956
Buku Teks
Mohammad Pahlevi Zahrie
2017
UI - Skripsi (Membership)