Dyfyniad APA

Schinkel, E. (1995). Natural forest on farms in the Northern Atlantic Zone of Costa Rica.

Dyfyniad Arddull Chicago

Schinkel, E.W. Natural Forest On Farms in the Northern Atlantic Zone of Costa Rica. 1995.

Dyfyniad MLA

Schinkel, E.W. Natural Forest On Farms in the Northern Atlantic Zone of Costa Rica. 1995.

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