APA Style
Pickering, Ron. (2006).
Complete biology for IGCSE .
Oxford:
Oxford University Press.
Chicago Style
Pickering, Ron.
Complete biology for IGCSE.
Oxford:
Oxford University Press,
2006.
Text.
MLA Style
Pickering, Ron.
Complete biology for IGCSE.
Oxford:
Oxford University Press,
2006.
Text.
Turabian Style
Pickering, Ron.
Complete biology for IGCSE.
Oxford:
Oxford University Press,
2006.
Print.