APA استشهاد

Schultz, H. (1938). Theory and measurements of demand. The university of Chicago.

استشهاد بنمط شيكاغو

Schultz, Henry. Theory and Measurements of Demand. Chicago: The university of Chicago, 1938.

MLA استشهاد

Schultz, Henry. Theory and Measurements of Demand. The university of Chicago, 1938.