Cita APA

Ruiz, S. E., & Ruiz, M. E. (1993). Social Analysis in Farming Systems Research. San José CR: IICA.

Citación estilo Chicago

Ruiz, Susan E., y Manuel E. Ruiz. Social Analysis in Farming Systems Research. San José CR: IICA, 1993.

Cita MLA

Ruiz, Susan E., y Manuel E. Ruiz. Social Analysis in Farming Systems Research. San José CR: IICA, 1993.