Gaya APA

WAI, L, K. (2007). PHYSICS INSIGHTS O LEVEL 2ND EDITION PRACTICAL WORKBOOK . SINGAPORE: PEARSON EDUCATION SOUTH ASIA.

Gaya MLA

WAI, LOO, KWOK. "PHYSICS INSIGHTS O LEVEL 2ND EDITION PRACTICAL WORKBOOK". SINGAPORE: PEARSON EDUCATION SOUTH ASIA, 2007. Text.