Cita APA (7th ed.)

Bergstrom, T. C., & Varian, H. R. (1990). Workouts in intermediate microeconomics. W.W. Norton.

Cita Chicago (17th ed.)

Bergstrom, Theodore C., i Hal R. Varian. Workouts in Intermediate Microeconomics. New York: W.W. Norton, 1990.

Cita MLA (9th ed.)

Bergstrom, Theodore C., i Hal R. Varian. Workouts in Intermediate Microeconomics. W.W. Norton, 1990.