Gaya APA
Enger, Eldon D.. (2004).
Environmental science : a study of interrelationships / Eldon D. Enger and Bradley F. Smith (9th ed.).
:
Boston : McGraw Hill Higher Education.
Gaya Chicago
Enger, Eldon D..
Environmental science : a study of interrelationships / Eldon D. Enger and Bradley F. Smith.
9th ed.
:
Boston : McGraw Hill Higher Education,
2004.
Buku.
Gaya MLA
Enger, Eldon D..
Environmental science : a study of interrelationships / Eldon D. Enger and Bradley F. Smith.
9th ed.
:
Boston : McGraw Hill Higher Education,
2004.
Buku.
Gaya Turabian
Enger, Eldon D..
Environmental science : a study of interrelationships / Eldon D. Enger and Bradley F. Smith.
9th ed.
:
Boston : McGraw Hill Higher Education,
2004.
Buku.