APA-referens (7:e uppl.)

Kurtz, N. R. (1983). Introduction to social statistics. McGraw-Hill.

Chicago-referens (17:e uppl.)

Kurtz, Norman R. Introduction to Social Statistics. Auckland, N.Z: McGraw-Hill, 1983.

MLA-referens (9:e uppl.)

Kurtz, Norman R. Introduction to Social Statistics. McGraw-Hill, 1983.