APA استشهاد

Mark, B. (1978). Economic theory in Retrospect (3.). Vikas Publishing.

استشهاد بنمط شيكاغو

Mark, Blaug. Economic Theory in Retrospect. 3. New Delhi: Vikas Publishing, 1978.

MLA استشهاد

Mark, Blaug. Economic Theory in Retrospect. 3. Vikas Publishing, 1978.