Baldock, D., & Hewett, J. (1989). Possible European community initiatives in relation to the tropical timber trade: A WWF International discussion paper. Londen: IEEP.
Dyfyniad Arddull ChicagoBaldock, David, and Jonathan Hewett. Possible European Community Initiatives in Relation to the Tropical Timber Trade: A WWF International Discussion Paper. Londen: IEEP, 1989.
Dyfyniad MLABaldock, David, and Jonathan Hewett. Possible European Community Initiatives in Relation to the Tropical Timber Trade: A WWF International Discussion Paper. Londen: IEEP, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.