Spector, P. E. (1992). Summated rating scale construction: An introduction. Sage Publications.
Chicago-stil citatSpector, Paul E. Summated Rating Scale Construction: An Introduction. Newbury Park, Calif.: Sage Publications, 1992.
MLA-referensSpector, Paul E. Summated Rating Scale Construction: An Introduction. Sage Publications, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.