Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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