Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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