Kampen, P. (1996). Trees in grassland: The influence of trees on grass production within sylvopastoral systems of the Atlantic Zone of Costa Rica.
استشهاد بنمط شيكاغوKampen, P. Trees in Grassland: The Influence of Trees On Grass Production Within Sylvopastoral Systems of the Atlantic Zone of Costa Rica. 1996.
MLA استشهادKampen, P. Trees in Grassland: The Influence of Trees On Grass Production Within Sylvopastoral Systems of the Atlantic Zone of Costa Rica. 1996.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.