Lua APA (7ú heag.)

Não informado. (2008). Forestry Bulletin. Duke University, School of Forestry.

Lua i Stíl Chicago (17ú heag.)

Não informado. Forestry Bulletin. Durham, NC: Duke University, School of Forestry, 2008.

Lua MLA (8ú heag.)

Não informado. Forestry Bulletin. Duke University, School of Forestry, 2008.

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