Dyfyniad APA

Chopra, K. R. (1999). Valuation of forest resources: An application of the contingent valuation method. Institute of Economic Growth.

Dyfyniad Arddull Chicago

Chopra, Kanchan Ratna. Valuation of Forest Resources: An Application of the Contingent Valuation Method. Delhi: Institute of Economic Growth, 1999.

Dyfyniad MLA

Chopra, Kanchan Ratna. Valuation of Forest Resources: An Application of the Contingent Valuation Method. Institute of Economic Growth, 1999.

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