APA引文

Morera, J. A. (2006). Agriculture, natural resources, environment and sustainable development in Costa Rica.

Citación estilo Chicago

Morera, Jorge A. Agriculture, Natural Resources, Environment and Sustainable Development in Costa Rica. 2006.

MLA引文

Morera, Jorge A. Agriculture, Natural Resources, Environment and Sustainable Development in Costa Rica. 2006.

警告：這些引文格式不一定是100％准確.