Gaya APA
Principles of Environmental Science: Inquiry and Applcations. (2006).
New York:
McGraw-Hill.
Gaya Chicago
Principles of Environmental Science: Inquiry and Applcations.
Ed.3.
New York:
McGraw-Hill,
2006.
.
Gaya MLA
Principles of Environmental Science: Inquiry and Applcations.
Ed.3.
New York:
McGraw-Hill,
2006.
.
Gaya Turabian
Principles of Environmental Science: Inquiry and Applcations.
New York:
McGraw-Hill,
2006.
.