Não informado. (2016). Bi-Monthly Research Notes. Canadian Forestry Service, Department of Environment.
Citação do estilo Chicago (17ª ed.)Não informado. Bi-Monthly Research Notes. Ottawa: Canadian Forestry Service, Department of Environment, 2016.
Citação MLA (8ª ed.)Não informado. Bi-Monthly Research Notes. Canadian Forestry Service, Department of Environment, 2016.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.