Passman, Donald S., author
Wadsworth & Brooks, 1991
Buku Teks
Ravishanker, Nalini, author
Chapman & Hall , 2002
Buku Teks
Matt DeLisi, Kevin M. Beaver, editor
Jones and Bartlett Publishers, 2011
Buku Teks
King, Gareth, author
Routledge, 2005
Buku Teks
Dubin, Fraida, author
Cambridge University Press, 1986
Buku Teks