एपीए उद्धरण

Carvajal,Manuel. (1976). Population growth and human productivity. Center for Latin American Studies.

शिकागो स्टाइल उद्धरण

Carvajal,Manuel. Population Growth and Human Productivity. Florida: Center for Latin American Studies, 1976.

एमएलए उद्धरण

Carvajal,Manuel. Population Growth and Human Productivity. Center for Latin American Studies, 1976.