Cita APA

Kayser, A. N., & Kayser, A. N. (1987). Costa Rica non-traditional exports: Product and market shifts. San José, C.R.: [editor no identificado].

Citación estilo Chicago

Kayser, Anne Nikki, y Anne Nikki Kayser. Costa Rica Non-traditional Exports: Product and Market Shifts. San José, C.R.: [editor no identificado], 1987.

Cita MLA

Kayser, Anne Nikki, y Anne Nikki Kayser. Costa Rica Non-traditional Exports: Product and Market Shifts. San José, C.R.: [editor no identificado], 1987.