APA (7th ed.) Citation

Ng , R., Kaur, A., & Latifah Abdol Latif. (2009). Online Supplemental Instructions – An Alternative Model for the Learning of Mathematics.

Chicago Style (17th ed.) Citation

Ng , Richard, Abtar Kaur, and Latifah Abdol Latif. Online Supplemental Instructions – An Alternative Model for the Learning of Mathematics. 2009.

MLA (9th ed.) Citation

Ng , Richard, et al. Online Supplemental Instructions – An Alternative Model for the Learning of Mathematics. 2009.