Gaya APA
OCR Bilogy: For GCSE. (2006).
Oxford:
Heinemann.
Gaya Chicago
OCR Bilogy: For GCSE.
.
Oxford:
Heinemann,
2006.
Printed Book.
Gaya MLA
OCR Bilogy: For GCSE.
.
Oxford:
Heinemann,
2006.
Printed Book.
Gaya Turabian
OCR Bilogy: For GCSE.
Oxford:
Heinemann,
2006.
Printed Book.