APA引文

Morales Abarca, L. F. (2018). Production and productivity of beans and corn crops in Costa Rica from 1984 to 2014.

Citación estilo Chicago

Morales Abarca, Luis Fernando. Production and Productivity of Beans and Corn Crops in Costa Rica From 1984 to 2014. 2018.

MLA引文

Morales Abarca, Luis Fernando. Production and Productivity of Beans and Corn Crops in Costa Rica From 1984 to 2014. 2018.

警告：這些引文格式不一定是100％准確.