Dyfyniad APA

Cunningham, W. P., & Saigo, B. W. (1995). Environmental science: A global concern (3rd ed.). Wm. C. Brown Publishers.

Dyfyniad Arddull Chicago

Cunningham, William P., and Barbara Woodworth Saigo. Environmental Science: A Global Concern. 3rd ed. Dubuque, IA: Wm. C. Brown Publishers, 1995.

Dyfyniad MLA

Cunningham, William P., and Barbara Woodworth Saigo. Environmental Science: A Global Concern. 3rd ed. Wm. C. Brown Publishers, 1995.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.