APA استشهاد

Raphael,D D, & Skidelsky,Robert. (1997). Three great economists: Smith,Maltus,Keynes. Oxford University Press.

استشهاد بنمط شيكاغو

Raphael,D D, و Skidelsky,Robert. Three Great Economists: Smith,Maltus,Keynes. New York: Oxford University Press, 1997.

MLA استشهاد

Raphael,D D, و Skidelsky,Robert. Three Great Economists: Smith,Maltus,Keynes. Oxford University Press, 1997.