Dyfyniad APA

Singh,A K. (1987). Forest resources,economy and environment. Concept Publishing Co.

Dyfyniad Arddull Chicago

Singh,A K. Forest Resources,economy and Environment. New Delhi: Concept Publishing Co, 1987.

Dyfyniad MLA

Singh,A K. Forest Resources,economy and Environment. Concept Publishing Co, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.