APA Style
Kwan, L, P., Eric, L, Y, K. (2021).
Cambridge IGCSE Biology : student's book .
Singapore:
Marshall Cavendish Education.
MLA Style
Kwan, Lam, Peng., Eric, Lam, Y., K.,.
"Cambridge IGCSE Biology : student's book".
Singapore:
Marshall Cavendish Education,
2021.
Text.