Spector, Paul E.
Summated rating scale construction : an introduction .-- London : Beverly Hills : Sage University , 1975
.--1 v. 22 cm. .-- ( Quantitative applications in the social sciences ; 82 ).
Summated rating scale construction : an introduction .-- London : Beverly Hills : Sage University , 1975
.--1 v. 22 cm. .-- ( Quantitative applications in the social sciences ; 82 ).