Gaya APA

B.A, L, H, E., B.A, Y, S, Y. (2001). Effective Skills For 'O' Level English (1). Singapore: Federal Publications.

Gaya MLA

B.A, Low, Hui, Eng., B.A, Yeo, Seok, Yan. "Effective Skills For 'O' Level English". 1 Singapore: Federal Publications, 2001. Text.