एपीए उद्धरण

Davies, D., & Mc Carthy, C. Introduction to technological economics.

शिकागो स्टाइल उद्धरण

Davies, Duncan, और Callum Mc Carthy. Introduction to Technological Economics.

एमएलए उद्धरण

Davies, Duncan, और Callum Mc Carthy. Introduction to Technological Economics.