Cita APA (7a ed.)

Williams, H. R., & Peterson, W. C. (1988). Peterson's income, employment, and economic growth: Study guide. W. W. Norton & Company.

Cita Chicago Style (17a ed.)

Williams, Harold R., y Wallace C. Peterson. Peterson's Income, Employment, and Economic Growth: Study Guide. New York, N.Y: W. W. Norton & Company, 1988.

Cita MLA (9a ed.)

Williams, Harold R., y Wallace C. Peterson. Peterson's Income, Employment, and Economic Growth: Study Guide. W. W. Norton & Company, 1988.