Gaya APA
Fenton, Sue. (2007).
Earth : portrait of a planet .
New York:
McGraw Hill.
Gaya Chicago
Fenton, Sue.
Earth : portrait of a planet.
New York:
McGraw Hill,
2007.
Buku Tercetak.
Gaya MLA
Fenton, Sue.
Earth : portrait of a planet.
New York:
McGraw Hill,
2007.
Buku Tercetak.
Gaya Turabian
Fenton, Sue.
Earth : portrait of a planet.
New York:
McGraw Hill,
2007.
Buku Tercetak.