Cain, M. L., Bowman, W. D., & Hacker, S. D. (2011). Ecology (2nd ed.). Sinauer Associates.
Lua i Stíl Chicago (17ú heag.)Cain, Michael L., William D. Bowman, agus Sally D. Hacker. Ecology. 2nd ed. Sunderland, Mass.: Sinauer Associates, 2011.
Lua MLA (8ú heag.)Cain, Michael L., et al. Ecology. 2nd ed. Sinauer Associates, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.