Lewis, R., Goodenough, J., & Moore, R. (1992). Life: Beginnings of life, animal life, plant life, evolution of life, behavior and ecology of life. Wm. C. Brown Publishers.
Lua i Stíl Chicago (17ú heag.)Lewis, Ricki, Judith Goodenough, agus Randy Moore. Life: Beginnings of Life, Animal Life, Plant Life, Evolution of Life, Behavior and Ecology of Life. Dubuque, IA: Wm. C. Brown Publishers, 1992.
Lua MLA (8ú heag.)Lewis, Ricki, et al. Life: Beginnings of Life, Animal Life, Plant Life, Evolution of Life, Behavior and Ecology of Life. Wm. C. Brown Publishers, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.