APA Citatie

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

Chicago Style citaat

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

MLA citatie

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