Παραπομπή APA

Harvey, J., & Johnson, M. Introduction to Macroeconomics: A Work Book. Macmillan.

Παραπομπή Chicago Style

Harvey, J., και M. Johnson. Introduction to Macroeconomics: A Work Book. London: Macmillan.

Παραπομπή MLA

Harvey, J., και M. Johnson. Introduction to Macroeconomics: A Work Book. Macmillan.