DeVellis, R. F. (1991). Scale development: Theory and applications. Sage.
Chicagoスタイル(17版)引用形式DeVellis, Robert F. Scale Development: Theory and Applications. Newbury Park, Calif.: Sage, 1991.
MLA(8版)引用形式DeVellis, Robert F. Scale Development: Theory and Applications. Sage, 1991.
警告: この引用は必ずしも正確ではありません.