Gaya APA
Turk, Jonathan, Turk, Amos. (1983).
Enviromental science (3).
Amerika Serikat:
Saunders Company.
Gaya Chicago
Turk, Jonathan, Turk, Amos.
Enviromental science.
3
Amerika Serikat:
Saunders Company,
1983.
Text.
Gaya MLA
Turk, Jonathan, Turk, Amos.
Enviromental science.
3
Amerika Serikat:
Saunders Company,
1983.
Text.
Gaya Turabian
Turk, Jonathan, Turk, Amos.
Enviromental science.
3
Amerika Serikat:
Saunders Company,
1983.
Print.