Παραπομπή σε μορφή APA (7η εκδ.)

(1980). Forestry activities and deforestation problems in developing countries / prepared by the PASA Study Team ; for the Forest Products Laboratory, Forest Service, U.S. Department of Agriculture.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Forestry Activities and Deforestation Problems in Developing Countries / Prepared by the PASA Study Team ; for the Forest Products Laboratory, Forest Service, U.S. Department of Agriculture. 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

Forestry Activities and Deforestation Problems in Developing Countries / Prepared by the PASA Study Team ; for the Forest Products Laboratory, Forest Service, U.S. Department of Agriculture. 1980.