Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Cowles, E. L., & Nelson, E. (2015). An introduction to survey research (First edition.). Business Expert Press.
Chicago Style (17th ed.) Zitazioa
Cowles, Ernest L., eta Edward Nelson. An Introduction to Survey Research. First edition. New York, New York (222 East 46th Street, New York, NY 10017): Business Expert Press, 2015.
MLA (9th ed.) Zitazioa
Cowles, Ernest L., eta Edward Nelson. An Introduction to Survey Research. First edition. Business Expert Press, 2015.
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