APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.