edited by Boris Ford
Penguin Books, 1955
Buku Teks
Goddard, Harold C., author
Phienix Books, 1990
Buku Teks
Urofsky, Melvin I., author
University Press of Kansas, 2000
Buku Teks
Dato Syed Ahmad Idid, author
Lexis Nexis, 2011
Buku Teks
Reisman, W. Michael (William Michael), 1939-, author
Yale University Press, 1971
Buku Teks