APA (7e ed.) Bronvermelding

ebrary, Inc, Strawser, C. J., & Ryan, M. M. (2010). Business statistics of the United States: Patterns of economic change (15th ed.). Bernan Press.

Chicago (17e ed.) Bronvermelding

ebrary, Inc, Cornelia J. Strawser, en Mary Meghan Ryan. Business Statistics of the United States: Patterns of Economic Change. 15th ed. Lanham, MD: Bernan Press, 2010.

MLA (9e ed.) Bronvermelding

ebrary, Inc, et al. Business Statistics of the United States: Patterns of Economic Change. 15th ed. Bernan Press, 2010.