Cita APA

Vega, S., & Maroto, I. M. (1984). Pesticides for restricted use in the United States are freely imported into Costa Rica.

Chicago Style Citation

Vega, Sileny, i Irma M. Maroto. Pesticides for Restricted Use in the United States Are Freely Imported Into Costa Rica. 1984.

Cita MLA

Vega, Sileny, i Irma M. Maroto. Pesticides for Restricted Use in the United States Are Freely Imported Into Costa Rica. 1984.