Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.