Bouroque, L. B., & Fielder, E. P. (1995). How to conduct self-administered and mail surveys. Sage.
Cita Chicago (17th ed.)Bouroque, Linda B., i Eve P. Fielder. How to Conduct Self-administered and Mail Surveys. Thousand Oaks, Calif: Sage, 1995.
Cita MLA (9th ed.)Bouroque, Linda B., i Eve P. Fielder. How to Conduct Self-administered and Mail Surveys. Sage, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.