Παραπομπή σε μορφή APA (7η εκδ.)

Colton, D., & Covert, R. W. (2007). Designing and constructing instruments for social research and evaluation. John Wiley & Sons.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Colton, David, και Robert W. Covert. Designing and Constructing Instruments for Social Research and Evaluation. San Francisco: John Wiley & Sons, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

Colton, David, και Robert W. Covert. Designing and Constructing Instruments for Social Research and Evaluation. John Wiley & Sons, 2007.