एपीए उद्धरण

Valdez, M., López, R., & Jiménez, L. (2004). Current estate of biotechnology in Costa Rica.

शिकागो स्टाइल उद्धरण

Valdez, Marta, Rebeca López, और Luis Jiménez. Current Estate of Biotechnology in Costa Rica. 2004.

एमएलए उद्धरण

Valdez, Marta, Rebeca López, और Luis Jiménez. Current Estate of Biotechnology in Costa Rica. 2004.