Goodman, R. (1950). Controlled selection: A technique in probability sampling. Survey Research Center, University of Michigan.
Chicago-Zitierstil (17. Ausg.)Goodman, Roe. Controlled Selection: A Technique in Probability Sampling. Ann Arbor, Mich: Survey Research Center, University of Michigan, 1950.
MLA-Zitierstil (9. Ausg.)Goodman, Roe. Controlled Selection: A Technique in Probability Sampling. Survey Research Center, University of Michigan, 1950.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.