Montzka, Daniel P.
Lippincott Williams & Wilkins, 2001
Multimedia
Miller, William Ian
Cambridge University Press, 2006
Buku Teks
Sneden, Private Robert Knox
The Free Press, 2000
Buku Teks
Steele, Chris
Elsevier, 2008
Buku Teks
White, Patrick, 1912-1990
Penguin Books, 1973
Buku Teks