एपीए उद्धरण

Sánchez-Murillo, R., Piedra-Marín, G., León-Coto, S., & Solís-Delgado, A. (2013). Chemical and technological hazards of the Great Metropolitan Area of Costa Rica.

शिकागो स्टाइल उद्धरण

Sánchez-Murillo, Ricardo, Gilberto Piedra-Marín, Sandra León-Coto, और Alexander Solís-Delgado. Chemical and Technological Hazards of the Great Metropolitan Area of Costa Rica. 2013.

एमएलए उद्धरण

Sánchez-Murillo, Ricardo, Gilberto Piedra-Marín, Sandra León-Coto, और Alexander Solís-Delgado. Chemical and Technological Hazards of the Great Metropolitan Area of Costa Rica. 2013.