Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.