एपीए उद्धरण

Krugman, P. (1999). accidental theorist: And other dispatches from the dismal science. Penguin Books.

शिकागो स्टाइल उद्धरण

Krugman, Paul. Accidental Theorist: And Other Dispatches from the Dismal Science. London: Penguin Books, 1999.

एमएलए उद्धरण

Krugman, Paul. Accidental Theorist: And Other Dispatches from the Dismal Science. Penguin Books, 1999.