Karmen, Andrew
Wadsworth, 2001
Buku Teks
Carnie, Andrew, 1969-
Wiley-Blackwell, 2013
Buku Teks
Angelo, Rocco M.,
Educational Institute, 1998
Buku Teks
Radfrod, Andrew
Cambridge University Press, 2004
Buku Teks
Dutelle, Aric W.
Jones and Bartlett Publishers, 2011
Buku Teks