Yoshino, Kosaku, author
Routledge , 1992
Buku Teks
Frisby, David
Routledge, 1992
Buku Teks
Willer, David
Standford University Press, 2007
Buku Teks
Henslin, James M., author
Erlangga, 2007
Buku Teks
Kendall, Diana, author
Thomson/Wadsworth, 2008
Buku Teks