APA-referens (7:e uppl.)

Spector, P. E. (1992). Summated rating scale construction: An introduction. Sage.

Chicago-referens (17:e uppl.)

Spector, Paul E. Summated Rating Scale Construction: An Introduction. Newbury Park, Calif: Sage, 1992.

MLA-referens (9:e uppl.)

Spector, Paul E. Summated Rating Scale Construction: An Introduction. Sage, 1992.