APA استشهاد

Lancaster, K. (1973). Modern Economics: Principles and Policy. Rand McNally.

استشهاد بنمط شيكاغو

Lancaster, Kelvin. Modern Economics: Principles and Policy. New York: Rand McNally, 1973.

MLA استشهاد

Lancaster, Kelvin. Modern Economics: Principles and Policy. Rand McNally, 1973.