APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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