APA-ийн эшлэл(7 дахь хэвлэлт)

Singh, T. (1982). Biomass equations for ten major tree species of the prairie provinces. Northern Forest Research Centre, Canadian Forestry Service.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Singh, T. Biomass Equations for Ten Major Tree Species of the Prairie Provinces. Canada: Northern Forest Research Centre, Canadian Forestry Service, 1982.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Singh, T. Biomass Equations for Ten Major Tree Species of the Prairie Provinces. Northern Forest Research Centre, Canadian Forestry Service, 1982.