Dyfyniad APA
ebrary, Inc, Campbell, B. M., & Luckert, M. K. (2002). Uncovering the hidden harvest: Valuation methods for woodland and forest resources. Earthscan Publications.
Dyfyniad Arddull Chicago
ebrary, Inc, B. M. Campbell, and Martin Karl Luckert. Uncovering the Hidden Harvest: Valuation Methods for Woodland and Forest Resources. London ; Sterling, VA: Earthscan Publications, 2002.
Dyfyniad MLA
ebrary, Inc, et al. Uncovering the Hidden Harvest: Valuation Methods for Woodland and Forest Resources. Earthscan Publications, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.