APA استشهاد

Dorfman,Robert. (1978). Prices and markets (3.). Prentice Hall Foundations.

استشهاد بنمط شيكاغو

Dorfman,Robert. Prices and Markets. 3. New Jersey: Prentice Hall Foundations, 1978.

MLA استشهاد

Dorfman,Robert. Prices and Markets. 3. Prentice Hall Foundations, 1978.