Appleby, Paul H., author
Louisiana State University Press, 1952
Buku Teks
Steinberg, Sheldon S., author
Rosda Jayaputra, 1998
Buku Teks
Palgrave Macmillan, 2018
Buku Teks
Cambridge University Press, 2004
Buku Teks
Snellen, I.Th.M., author
The Hague : Eleven International Publishing, 2014
Buku Teks