APA-čujuhus (7. p.)

Cunningham, W. P. (1997). Environmental science: A global concern (4th.ed.). Wm.C.Brown.

Chicago-čujuhus (17. p.)

Cunningham, William P. Environmental Science: A Global Concern. 4th.ed. Dubuque: Wm.C.Brown, 1997.

MLA-čujuhus (9. p.)

Cunningham, William P. Environmental Science: A Global Concern. 4th.ed. Wm.C.Brown, 1997.

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