Gaya APA
Tarbuck, Lutgens. (1988).
Earth Science Fifth Edition .
Amerika:
Merrill Publishing Company.
Gaya Chicago
Tarbuck, Lutgens.
Earth Science Fifth Edition.
Amerika:
Merrill Publishing Company,
1988.
Text.
Gaya MLA
Tarbuck, Lutgens.
Earth Science Fifth Edition.
Amerika:
Merrill Publishing Company,
1988.
Text.
Gaya Turabian
Tarbuck, Lutgens.
Earth Science Fifth Edition.
Amerika:
Merrill Publishing Company,
1988.
Print.