Bowman, W. D., Hacker, S. D., & Cain, M. L. (2018). Ecology (Fourth edition, International.). Sinauer Associates, Inc., Publishers.
Lua i Stíl Chicago (17ú heag.)Bowman, William D., Sally D. Hacker, agus Michael L. Cain. Ecology. Fourth edition, International. Sunderland, MA: Sinauer Associates, Inc., Publishers, 2018.
Lua MLA (9ú heag.)Bowman, William D., et al. Ecology. Fourth edition, International. Sinauer Associates, Inc., Publishers, 2018.
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