Gaya APA

Yong, L, K, W, &, L, W. (2007). Physics Insights 'O' Level . 2nd Edition Practical Workbook . Singapore: Pearson Education South Asia Pte Ltd.

Gaya MLA

Yong, Loo, Kwok, Wai, &, Loo, Wan. "Physics Insights 'O' Level . 2nd Edition Practical Workbook". Singapore: Pearson Education South Asia Pte Ltd, 2007. Text.