University of Michigan. Survey Research Center. (1976). Interviewer's manual (Rev. ed.). Institute for Social Research.
Chicago (17e ed.) BronvermeldingUniversity of Michigan. Survey Research Center. Interviewer's Manual. Rev. ed. Ann Arbor: Institute for Social Research, 1976.
MLA (9e ed.) BronvermeldingUniversity of Michigan. Survey Research Center. Interviewer's Manual. Rev. ed. Institute for Social Research, 1976.
Let op: Deze citaties zijn niet altijd 100% accuraat.