APA aipamena

Cunningham, W. a. B. W. S., & Saigo, B. W. (2001). Environmental science: A global concern (Sixth Edition.). McGraw-Hill.

Chicago Style aipamena

Cunningham, William and Barbara Woodworth Saigo, and Barbara Woodworth Saigo. Environmental Science: A Global Concern. Sixth Edition. Boston: McGraw-Hill, 2001.

MLA aipamena

Cunningham, William and Barbara Woodworth Saigo, and Barbara Woodworth Saigo. Environmental Science: A Global Concern. Sixth Edition. McGraw-Hill, 2001.