Cita APA (7a ed.)
Cochran, W. G. (1963). Samplig Techniques (2¦ ed.). Wiley.
Cita Chicago Style (17a ed.)
Cochran, William G. Samplig Techniques. 2¦ ed. New York: Wiley, 1963.
Cita MLA (9a ed.)
Cochran, William G. Samplig Techniques. 2¦ ed. Wiley, 1963.
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