Lwanga,S.K. Lemeshow, S. (1992). Sample Size determination in health studies: A practical manual. World Health Organization.
Chicago (17e ed.) BronvermeldingLwanga,S.K. Lemeshow, S. Sample Size Determination in Health Studies: A Practical Manual. Geneva: World Health Organization, 1992.
MLA (8e ed.) BronvermeldingLwanga,S.K. Lemeshow, S. Sample Size Determination in Health Studies: A Practical Manual. World Health Organization, 1992.
Let op: Deze citaties zijn niet altijd 100% accuraat.