Dyfyniad APA

DeVellis, R. F., & Thorpe, C. T. (2022). Scale development: Theory and applications (Fifth edition.). SAGE Publications, Inc.

Dyfyniad Arddull Chicago

DeVellis, Robert F., and Carolyn T. Thorpe. Scale Development: Theory and Applications. Fifth edition. Thousand Oaks, California: SAGE Publications, Inc, 2022.

Dyfyniad MLA

DeVellis, Robert F., and Carolyn T. Thorpe. Scale Development: Theory and Applications. Fifth edition. SAGE Publications, Inc, 2022.

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