APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.