Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.