Gaya APA
Bradfield, Phil (dkk.). (2007).
Biology : As Level (2007) .
London, England:
Licensing Agency.
Gaya Chicago
Bradfield, Phil (dkk.).
Biology : As Level (2007).
London, England:
Licensing Agency,
2007.
Printed Book.
Gaya MLA
Bradfield, Phil (dkk.).
Biology : As Level (2007).
London, England:
Licensing Agency,
2007.
Printed Book.
Gaya Turabian
Bradfield, Phil (dkk.).
Biology : As Level (2007).
London, England:
Licensing Agency,
2007.
Printed Book.