एपीए उद्धरण

Valverde, J., Ardón, M., Colindres, I., Elías, S., Rivas, A., & Zappacosta, M. (2002). Peasant innovations in the framework of community forestry in Central America.

शिकागो स्टाइल उद्धरण

Valverde, Jaime, Mario Ardón, Ibis Colindres, Silvel Elías, Abelardo Rivas, और Mario Zappacosta. Peasant Innovations in the Framework of Community Forestry in Central America. 2002.

एमएलए उद्धरण

Valverde, Jaime, et al. Peasant Innovations in the Framework of Community Forestry in Central America. 2002.