Mc Carthy, P. j., & Stephan, F. F. (1958). Sampling opinions: An analysis of survey procedure. John Wiley & Sons INC.
Chicago Edition CitationMc Carthy, Philip j., i Frederick F. Stephan. Sampling Opinions: An Analysis of Survey Procedure. USA: John Wiley & Sons INC, 1958.
Cita MLAMc Carthy, Philip j., i Frederick F. Stephan. Sampling Opinions: An Analysis of Survey Procedure. John Wiley & Sons INC, 1958.
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