Lwanga,S.K. Lemeshow, S. (1992). Sample Size determination in health studies: A practical manual. World Health Organization.
Citazione stile Chigago Style (17a edizione)Lwanga,S.K. Lemeshow, S. Sample Size Determination in Health Studies: A Practical Manual. Geneva: World Health Organization, 1992.
Citatione MLA (8a ed.)Lwanga,S.K. Lemeshow, S. Sample Size Determination in Health Studies: A Practical Manual. World Health Organization, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.