Lua APA (7ú heag.)
Brennan, S. R., & Withgott, J. (2005). Environment: The science behind the stories. Pearson/Benjamin Cummings.
Lua i Stíl Chicago (17ú heag.)
Brennan, Scott R., agus Jay Withgott. Environment: The Science Behind the Stories. San Francisco: Pearson/Benjamin Cummings, 2005.
Lua MLA (9ú heag.)
Brennan, Scott R., agus Jay Withgott. Environment: The Science Behind the Stories. Pearson/Benjamin Cummings, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.