APA استشهاد

Marshall, L. C. (1917). Materials for the study of elementary economics. Chicago: The University of Chicago Press.

استشهاد بنمط شيكاغو

Marshall, Leon Carroll. Materials for the Study of Elementary Economics. Chicago: The University of Chicago Press, 1917.

MLA استشهاد

Marshall, Leon Carroll. Materials for the Study of Elementary Economics. Chicago: The University of Chicago Press, 1917.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.