APA (7e ed.) Bronvermelding
Walstad, W. B., & Bingham, R. C. (1993). Study guide to accompany McConnell and Brue economics (12th ed.). McGraw - hill.
Chicago (17e ed.) Bronvermelding
Walstad, William B., en Robert C. Bingham. Study Guide to Accompany McConnell and Brue Economics. 12th ed. New York: McGraw - hill, 1993.
MLA (9e ed.) Bronvermelding
Walstad, William B., en Robert C. Bingham. Study Guide to Accompany McConnell and Brue Economics. 12th ed. McGraw - hill, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.