Gaya APA

Eng, L, H., Yan, Y, S. (2010). Effective Skills for 'O' Level English . Singapura: Times Media Private Limited.

Gaya MLA

Eng, Low, Hui., Yan, Yeo, Seok. "Effective Skills for 'O' Level English". Singapura: Times Media Private Limited, 2010. Text.