Gaya APA
Jones, M., Jones, G. (2021).
Biology for Cambridge IGCSE™ : Coursebook (Cetakan Keempat).
Cambridge:
Cambridge University Press.
Gaya MLA
Jones, Mary., Jones, Geoff.
"Biology for Cambridge IGCSE™ : Coursebook".
Cetakan Keempat
Cambridge:
Cambridge University Press,
2021.
Text.