Lua APA (7ú heag.)
Wheater, C. P., Bell, J. R., & Cook, P. A. (2011). Practical field ecology: A project guide. Wiley.
Lua i Stíl Chicago (17ú heag.)
Wheater, C. Philip, James R. Bell, agus Penny A. Cook. Practical Field Ecology: A Project Guide. Hoboken, N.J.: Wiley, 2011.
Lua MLA (9ú heag.)
Wheater, C. Philip, et al. Practical Field Ecology: A Project Guide. Wiley, 2011.
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