Gaya APA
Enger, Eldon D., Smith, Bradley F.. (2004).
Environmental Science : A Study of Interrelationships (Ed.9).
New York:
McGraw-Hill.
Gaya Chicago
Enger, Eldon D., Smith, Bradley F..
Environmental Science : A Study of Interrelationships.
Ed.9
New York:
McGraw-Hill,
2004.
Text.
Gaya MLA
Enger, Eldon D., Smith, Bradley F..
Environmental Science : A Study of Interrelationships.
Ed.9
New York:
McGraw-Hill,
2004.
Text.
Gaya Turabian
Enger, Eldon D., Smith, Bradley F..
Environmental Science : A Study of Interrelationships.
Ed.9
New York:
McGraw-Hill,
2004.
Print.