- APA Publications, Singapore, 2017
- APA Publications, London, 2017
- APA Publications, Singapore, 2015
- APA Publications, Distributed in U.S. by Langenscheidt Pub., Singapore, Long Island City, NY, 2008
- APA Publications, Singapore, 2019
- APA Publications, Distributed in the United State by Ingram Publishers Service, Singapore, La Verg, TN, 2016
- APA Publications, Warriewood, N.S.W., 2015
- APA Publications, London, 2018
- APA Publications, London, 2019
- APA Publications, Singapore, 2018