Cita APA (7th ed.)

Baumol, W. J. (1988). Economics: Principles and policy (4ª ed.). Harcourt Brace Jovanovich.

Cita Chicago (17th ed.)

Baumol, William J. Economics: Principles and Policy. 4ª ed. San Diego: Harcourt Brace Jovanovich, 1988.

Cita MLA (9th ed.)

Baumol, William J. Economics: Principles and Policy. 4ª ed. Harcourt Brace Jovanovich, 1988.