Glock, C. Y., & Bennett, J. W. (1967). Survey research in the social sciences. Russell Sage Foundation.
Dyfyniad Arddull ChicagoGlock, Charles Y., and John William Bennett. Survey Research in the Social Sciences. New York: Russell Sage Foundation, 1967.
Dyfyniad MLAGlock, Charles Y., and John William Bennett. Survey Research in the Social Sciences. Russell Sage Foundation, 1967.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.