Gaya APA
Mackean, D.G. (2007).
IGCSE Biology .
London:
Hodder Murray.
Gaya Chicago
Mackean, D.G.
IGCSE Biology.
London:
Hodder Murray,
2007.
Non-fiction.
Gaya MLA
Mackean, D.G.
IGCSE Biology.
London:
Hodder Murray,
2007.
Non-fiction.
Gaya Turabian
Mackean, D.G.
IGCSE Biology.
London:
Hodder Murray,
2007.
Non-fiction.