Não informado. (2016). Bi-Monthly Research Notes. Canadian Forestry Service, Department of Environment.
Čikaški stil citiranja (17. izdanje)Não informado. Bi-Monthly Research Notes. Ottawa: Canadian Forestry Service, Department of Environment, 2016.
MLA način citiranja (8. izdanje)Não informado. Bi-Monthly Research Notes. Canadian Forestry Service, Department of Environment, 2016.
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