Gaya APA
Pickering, W R. (2001).
Oxford Revision Guides: As and A Level Human Biology .
Ny:
Oxford University Press.
Gaya Chicago
Pickering, W R.
Oxford Revision Guides: As and A Level Human Biology.
Ny:
Oxford University Press,
2001.
BUKU PENGAYAAN.
Gaya MLA
Pickering, W R.
Oxford Revision Guides: As and A Level Human Biology.
Ny:
Oxford University Press,
2001.
BUKU PENGAYAAN.
Gaya Turabian
Pickering, W R.
Oxford Revision Guides: As and A Level Human Biology.
Ny:
Oxford University Press,
2001.
BUKU PENGAYAAN.