Citazione Stile APA (7a Edizione)

Baumol, W. J. (1991). Economics: Principles and policy (Fifth edition.). Harcourt Brace Jovanovich.

Citazione stile Chigago Style (17a edizione)

Baumol, William J. Economics: Principles and Policy. Fifth edition. San Diego: Harcourt Brace Jovanovich, 1991.

Citatione MLA (8a ed.)

Baumol, William J. Economics: Principles and Policy. Fifth edition. Harcourt Brace Jovanovich, 1991.