Incoming Resources
- APA, Singapore, New York, 2002-
- APA, Penguin distributor, Singapore, London, c1990-
- APA, distributed in the U.S. by Langenscheidt Pub., Singapore, 2000
- APA, Distributed in the United States by Langenscheidt Publishers, Singapore, Maspeth, N.Y., c2004
- APA, Singapore, 1992-
- APA, Singapore, 2010