APA-referens (7:e uppl.)

Levin, R. I. (1997). Statistics for Management (12th.). Pearson.

Chicago-referens (17:e uppl.)

Levin, Richard I. Statistics for Management. 12th. New Delhi: Pearson, 1997.

MLA-referens (9:e uppl.)

Levin, Richard I. Statistics for Management. 12th. Pearson, 1997.