Παραπομπή APA

Paul, E. (1992). Summated rating scale construction. Sage.

Παραπομπή Chicago Style

Paul, E.Spector. Summated Rating Scale Construction. Newbary park: Sage, 1992.

Παραπομπή MLA

Paul, E.Spector. Summated Rating Scale Construction. Sage, 1992.