Gaya APA
Kwan, L, P.
(2007).
Biology Matters G.C.E. 0 Level
.
Singapore:
Marshall Cavendish Education.
Gaya MLA
Kwan, Lam, Peng.
"Biology Matters G.C.E. 0 Level".
Singapore:
Marshall Cavendish Education,
2007.
Text.