Washington, C. I. o. Botany of the Maya area. Washington, DC.
Dyfyniad Arddull ChicagoWashington, Carnegie Institution of. Botany of the Maya Area. Washington, DC.
Dyfyniad MLAWashington, Carnegie Institution of. Botany of the Maya Area. Washington, DC.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.