Ngeow, W. C. (2012). Commentary. Medknow Publications & Media Pvt Ltd.
Čikaški stil citiranjaNgeow, Wei Cheong. Commentary. Medknow Publications & Media Pvt Ltd, 2012.
MLA način citiranjaNgeow, Wei Cheong. Commentary. Medknow Publications & Media Pvt Ltd, 2012.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.