Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.