Lauer, David A., 1955-2011, author
Wadsworth and Cengage Learning, 2008
Buku Teks
Lauer, David A., 1955-2011, author
Wadsworth and Cengage Learning, 2012
Buku Teks
Plummer, Kenneth, author
Rajawali, 2011
Buku Teks
Elkin, A. P., author
Angus and Robertson, 1966
Buku Teks
Elkin, A. P., author
Angus and Robertson, 1956
Buku Teks