Não informado. (2016). Bi-Monthly Research Notes. Canadian Forestry Service, Department of Environment.
Chicago-Zitierstil (17. Ausg.)Não informado. Bi-Monthly Research Notes. Ottawa: Canadian Forestry Service, Department of Environment, 2016.
MLA-Zitierstil (8. Ausg.)Não informado. Bi-Monthly Research Notes. Canadian Forestry Service, Department of Environment, 2016.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.