Dyfyniad APA

Uffelen, J. v. (1993). A geological/geomorphological and soil transect study of the Chirripo massit and adjacent areas, Cordillera de Talamanca, Costa Rica.

Dyfyniad Arddull Chicago

Uffelen, J.G. van. A Geological/geomorphological and Soil Transect Study of the Chirripo Massit and Adjacent Areas, Cordillera De Talamanca, Costa Rica. 1993.

Dyfyniad MLA

Uffelen, J.G. van. A Geological/geomorphological and Soil Transect Study of the Chirripo Massit and Adjacent Areas, Cordillera De Talamanca, Costa Rica. 1993.

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