Raper, Arthur F
Cornell University Press, 1970
Buku Teks
Jolley, Elizabeth
Viking, 1995
Buku Teks
Archer, Jeffrey
HarperCollins, 1993
Buku Teks
Savage, Joanne
Oxford University Press, 2016
eBooks
Lubeck, Steven G.
Aldine Publishing Company, 1971
Buku Teks