Dyfyniad APA

Salas, G. d. l. (1979). Zonification and the multiple use of soils in tropical America: Problems and perspectives.

Dyfyniad Arddull Chicago

Salas, Gonzalo de las. Zonification and the Multiple Use of Soils in Tropical America: Problems and Perspectives. 1979.

Dyfyniad MLA

Salas, Gonzalo de las. Zonification and the Multiple Use of Soils in Tropical America: Problems and Perspectives. 1979.

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