Dyfyniad APA

Dam, R. (1987). A detailed soil survey of the rio Jimenez area in the Atlantic Zone of Costa Rica.

Dyfyniad Arddull Chicago

Dam, R. A Detailed Soil Survey of the Rio Jimenez Area in the Atlantic Zone of Costa Rica. 1987.

Dyfyniad MLA

Dam, R. A Detailed Soil Survey of the Rio Jimenez Area in the Atlantic Zone of Costa Rica. 1987.

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