APA-referens (7:e uppl.)

Widdison, H. A. (1998). Social problems 98/99. Dushkin/McGraw-Hill.

Chicago-referens (17:e uppl.)

Widdison, Harold A. Social Problems 98/99. Guilford, CT.: Dushkin/McGraw-Hill, 1998.

MLA-referens (8:e uppl.)

Widdison, Harold A. Social Problems 98/99. Dushkin/McGraw-Hill, 1998.