APA Style

Kwan, L, P., Lam, E, Y. (2012). Biology Matters : Practical Book . Singapore: MArshall Cavendish Education.

MLA Style

Kwan, Lam, Peng., Lam, Eric, Y.K.. "Biology Matters : Practical Book". Singapore: MArshall Cavendish Education, 2012. Buku SMP Athalia.