Wheatley, Paul
University Of Malaya Press, 1961
Buku Teks
Wolff, Robert Lee, author
Harvard University Press, 1956
Buku Teks
Sanger, Richard H.
Ithaca, Cornell University Press, [c 1954]
Buku Teks
Sadka, Emily
University of Malaya Press, 1968
Buku Teks
Pye, Lucian W., 1921-2008, editor
Princeton University Press , 1956
Buku Teks