Kolbert, E., & Folger, T. (2009). The best American science and nature writing. Houghton Mifflin Company.
Lua i Stíl Chicago (17ú heag.)Kolbert, Elizabeth, agus Tim Folger. The Best American Science and Nature Writing. New York: Houghton Mifflin Company, 2009.
Lua MLA (9ú heag.)Kolbert, Elizabeth, agus Tim Folger. The Best American Science and Nature Writing. Houghton Mifflin Company, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.