APA-referens (7:e uppl.)

Mills, R. L. (1977). Statistics for applied economics and business. McGraw-Hill.

Chicago-referens (17:e uppl.)

Mills, Richard L. Statistics for Applied Economics and Business. New York: McGraw-Hill, 1977.

MLA-referens (8:e uppl.)

Mills, Richard L. Statistics for Applied Economics and Business. McGraw-Hill, 1977.