Tull,Donald S, & Albaum,Gerald S. (1973). Survey research: A decisional approach. Intext Educational Publishers.
Chicago Style aipamenaTull,Donald S, and Albaum,Gerald S. Survey Research: A Decisional Approach. New York: Intext Educational Publishers, 1973.
MLA aipamenaTull,Donald S, and Albaum,Gerald S. Survey Research: A Decisional Approach. Intext Educational Publishers, 1973.
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