Gable, R. K., Wolf, M. B., & Keitly, J. W. (1998). Instrument development in the affective domain: Measuring attitudes and values in corporate and school settings (2nd ed.). Kluwer Academic Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Gable, Robert K., Marian B. Wolf, και Joseph W. Keitly. Instrument Development in the Affective Domain: Measuring Attitudes and Values in Corporate and School Settings. 2nd ed. Boston: Kluwer Academic Publishers, 1998.
Παραπομπή σε μορφή MLA (9th εκδ.)Gable, Robert K., et al. Instrument Development in the Affective Domain: Measuring Attitudes and Values in Corporate and School Settings. 2nd ed. Kluwer Academic Publishers, 1998.
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