एपीए उद्धरण

Phelps, E. S., & Edmund S. Phelps. (1990). Seven schools of macroeconomic thought: The Arne Ryde memorial lectures. Oxford: Oxford University Press.

शिकागो स्टाइल उद्धरण

Phelps, Eaund S., और Edmund S. Phelps. Seven Schools of Macroeconomic Thought: The Arne Ryde Memorial Lectures. Oxford: Oxford University Press, 1990.

एमएलए उद्धरण

Phelps, Eaund S., और Edmund S. Phelps. Seven Schools of Macroeconomic Thought: The Arne Ryde Memorial Lectures. Oxford: Oxford University Press, 1990.