Gaya APA
CUNNINGHAM, William P., CUNNINGHAM, Mary Ann. (2006).
Principles of enviromental Science: Inguiry and application (3nd Ed.).
New York:
The McGraw-Hill Companies,Inc.
Gaya Chicago
CUNNINGHAM, William P., CUNNINGHAM, Mary Ann.
Principles of enviromental Science: Inguiry and application.
3nd Ed.
New York:
The McGraw-Hill Companies,Inc,
2006.
Text.
Gaya MLA
CUNNINGHAM, William P., CUNNINGHAM, Mary Ann.
Principles of enviromental Science: Inguiry and application.
3nd Ed.
New York:
The McGraw-Hill Companies,Inc,
2006.
Text.
Gaya Turabian
CUNNINGHAM, William P., CUNNINGHAM, Mary Ann.
Principles of enviromental Science: Inguiry and application.
3nd Ed.
New York:
The McGraw-Hill Companies,Inc,
2006.
Print.