एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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