Παραπομπή APA

Frazer, L., & Lawley, M. (2000). Questionnaire design and administration: A practical guide. John Wiley.

Παραπομπή Chicago Style

Frazer, Lorelle, και Meredith Lawley. Questionnaire Design and Administration: A Practical Guide. Brisbane: John Wiley, 2000.

Παραπομπή MLA

Frazer, Lorelle, και Meredith Lawley. Questionnaire Design and Administration: A Practical Guide. John Wiley, 2000.