Gebhard, Jerry G.
Language teaching awareness: a guide to exploring beliefs and practices
Cambridge University Press, 1999
 Buku Teks
Kingdon, John W.
Candidates for office beliefs and strategies / John W. Kingdon
Random House, 1968
 Buku Teks
Martin, Paul
The healing mind : the vital links between brain and behavior, immunity, and disease
St. Martin's Press, 1997
 Buku Teks SO
Bridging the gaps
Youth Coordination Centre International, 2003
 Buku Teks
Ball, John
Indonesian law : commentary and teaching materials / John Ball
University of Sydney, Faculty of Law, 1985
 Buku Teks