APA način citiranja

Álvarez, P., & Cárdenas, H. (2006). Situation of corn and bean production at Pejibaye of Perez Zeledon, and Pilas of Buenos Aires, Costa Rica.

Čikaški stil citiranja

Álvarez, Pablo, i Hernando Cárdenas. Situation of Corn and Bean Production At Pejibaye of Perez Zeledon, and Pilas of Buenos Aires, Costa Rica. 2006.

MLA način citiranja

Álvarez, Pablo, i Hernando Cárdenas. Situation of Corn and Bean Production At Pejibaye of Perez Zeledon, and Pilas of Buenos Aires, Costa Rica. 2006.

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