Gaya APA
Wai, L, W, Y, L, K. (2007).
Physics Insights: o level 2nd edition theory workbook .
Singapore:
Pearson Longman.
Gaya MLA
Wai, Loo, Wan, Yong,, Loo, Kwok.
"Physics Insights: o level 2nd edition theory workbook".
Singapore:
Pearson Longman,
2007.
Text.