MacKay, R.A., author
The Ryerson Press, 1935
Buku Teks
Kalijarvi, Thorsten V., author
Thomas Y. Crowell, 1954
Buku Teks
edited by Calvin W. Stillman
University of Chicago Press, 1955
Buku Teks
edited by Martin Kilson
Harvard University Press, 1975
Buku Teks
Azu Nur Alam, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2010
UI - Tesis Open