Gaya APA
Cunningham, William P.. (2001).
Environmental science : a global concern / William P. Cunningham and Barbara Woodworth Saigo (6th ed.).
:
Boston : McGraw Hill.
Gaya Chicago
Cunningham, William P..
Environmental science : a global concern / William P. Cunningham and Barbara Woodworth Saigo.
6th ed.
:
Boston : McGraw Hill,
2001.
Buku.
Gaya MLA
Cunningham, William P..
Environmental science : a global concern / William P. Cunningham and Barbara Woodworth Saigo.
6th ed.
:
Boston : McGraw Hill,
2001.
Buku.
Gaya Turabian
Cunningham, William P..
Environmental science : a global concern / William P. Cunningham and Barbara Woodworth Saigo.
6th ed.
:
Boston : McGraw Hill,
2001.
Buku.