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Dyfyniad Arddull ChicagoHenry, McRonnie H.D. Estimating Protected Area Revenue in Antigua and Barbuda: An Evaluation of the CVM for Land Use Planning in a Developing Country. 1997.
Dyfyniad MLAHenry, McRonnie H.D. Estimating Protected Area Revenue in Antigua and Barbuda: An Evaluation of the CVM for Land Use Planning in a Developing Country. 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.