APA-referens (7:e uppl.)

Levin, R. I. (1997). Statistics for Management (2nd.). Tata McGraw-Hill.

Chicago-referens (17:e uppl.)

Levin, Richard I. Statistics for Management. 2nd. New Delhi: Tata McGraw-Hill, 1997.

MLA-referens (9:e uppl.)

Levin, Richard I. Statistics for Management. 2nd. Tata McGraw-Hill, 1997.