APA-referens (7:e uppl.)

Lewis, E. V. (1963). Statistical analysis: Ideas and methods. Van Nostrand.

Chicago-referens (17:e uppl.)

Lewis, Everett Vernon. Statistical Analysis: Ideas and Methods. N. J: Van Nostrand, 1963.

MLA-referens (9:e uppl.)

Lewis, Everett Vernon. Statistical Analysis: Ideas and Methods. Van Nostrand, 1963.