Παραπομπή APA

Baumol, W. J. (1970). Economic theory and operations analysis (2.).

Παραπομπή Chicago Style

Baumol, William J. Economic Theory and Operations Analysis. 2. Prentice-Hall of India Pvt. Ltd., New Delhi, 1970.

Παραπομπή MLA

Baumol, William J. Economic Theory and Operations Analysis. 2. 1970.