Jeffries, M. J. (1997). Biocheversity And Conservation Michael J. Jeffries. Routhledge.
Lua i Stíl Chicago (17ú heag.)Jeffries, Michael J. Biocheversity And Conservation Michael J. Jeffries. Routhledge, 1997.
Lua MLA (8ú heag.)Jeffries, Michael J. Biocheversity And Conservation Michael J. Jeffries. Routhledge, 1997.
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