Gaya APA

Estruch, K., Wong, R. (2020). Biology for Cambridge International AS & A Level (Exam Preparation and Practice) : DIPA 2026 (Fifth edition). United Kingdom: Cambridge University Press & Assesment.

Gaya MLA

Estruch, Katie., Wong, Rachel. "Biology for Cambridge International AS & A Level (Exam Preparation and Practice) : DIPA 2026". Fifth edition United Kingdom: Cambridge University Press & Assesment, 2020. Art Original.