Collinwood, Dean W., author
McGraw-Hill, 1999
Buku Teks
Collinwood, Dean W., author
McGraw-Hill, 2001
Buku Teks
Bartol, Kathryn, author
McGraw-Hill, 2001
Buku Teks
edited by Sally M. Miller, A.J.H. Latham and Dennis O. Flynn
Routledge , 1998
Buku Teks
Sharif As-Saber
Rajiv Beri for Macmillan, 2009
Buku Teks