APA引文

Kampen, P. (1996). Trees in grassland: The influence of trees on grass production within sylvopastoral systems of the Atlantic Zone of Costa Rica.

Citación estilo Chicago

Kampen, P. Trees in Grassland: The Influence of Trees On Grass Production Within Sylvopastoral Systems of the Atlantic Zone of Costa Rica. 1996.

MLA引文

Kampen, P. Trees in Grassland: The Influence of Trees On Grass Production Within Sylvopastoral Systems of the Atlantic Zone of Costa Rica. 1996.

警告：这些引文格式不一定是100％准确.