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