Cita APA (7th ed.)

Yohe, G. W. (1989). Study guide to accompany samuel economics (Third edition.). Mcgraw hill.

Cita Chicago (17th ed.)

Yohe, Gary W. Study Guide to Accompany Samuel Economics. Third edition. New York: Mcgraw hill, 1989.

Cita MLA (9th ed.)

Yohe, Gary W. Study Guide to Accompany Samuel Economics. Third edition. Mcgraw hill, 1989.