APA Style

Kwan, L, P., K, E, L, Y. (2023). Biology Matters : GCE 'O' Level Theory Workbook (3). Singapore: Marshall Cavendish Education.

MLA Style

Kwan, Lam, Peng., K, Eric, Lam, Y. "Biology Matters : GCE 'O' Level Theory Workbook". 3 Singapore: Marshall Cavendish Education, 2023. Text.