Não informado. (2016). Bi-Monthly Research Notes. Canadian Forestry Service, Department of Environment.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bi-Monthly Research Notes. Ottawa: Canadian Forestry Service, Department of Environment, 2016.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bi-Monthly Research Notes. Canadian Forestry Service, Department of Environment, 2016.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.