Barbour, M. G., Burk, J. H., & Pitts, W. D. (1980). Terrestrial plant ecology. Benjamin/Cummings Pub. Co..
Lua i Stíl Chicago (17ú heag.)Barbour, Michael G., Jack H. Burk, agus Wanna D. Pitts. Terrestrial Plant Ecology. Menlo Park, CA: Benjamin/Cummings Pub. Co., 1980.
Lua MLA (9ú heag.)Barbour, Michael G., et al. Terrestrial Plant Ecology. Benjamin/Cummings Pub. Co., 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.