Punter, John
UBC Press, 2003
Buku Teks
Gallion, Arthur B.
D. Van Nostrand, 1975
Buku Teks
Gallion, Arthur B.
D. Van Nostrand, 1963
Buku Teks
Parfect, Michael
Routledge, 1997
Buku Teks
Meier, Richard L.
The Massachusett Institute of Technology, 1974
Buku Teks