Mitchell, Basil, author
Oxford University Press, 1970
Buku Teks
Norbeck, Edward
Harper & Brothers publishers, 1961
Buku Teks
Hook, Sidney, author
University of Nebraska Press , 1967
Buku Teks
Saul, Nigel, author
Oxford University Press, 2017
eBooks
edited by Hanneman Samuel and Henk Schulte Nordholt
Pustaka Pelajar, 2004
Buku Teks