APA引文

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

Citación estilo Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.