Gaya APA

P.G.D.E., S, H, T, B. (2011). Comprehensive English Practice Papers Primary 4 (1). Singapore: Educational Pubishing House Pte Ltd.

Gaya MLA

P.G.D.E., S., H., Tan,, B.B.A.,. "Comprehensive English Practice Papers Primary 4". 1 Singapore: Educational Pubishing House Pte Ltd, 2011. Print.