Lwanga S.K & Lemeshow S. (1991). Sample Size determination in health studies: A practical manual. WHO.
Chicago Style (17th ed.) CitationLwanga S.K and Lemeshow S. Sample Size Determination in Health Studies: A Practical Manual. England: WHO, 1991.
MLA (9th ed.) CitationLwanga S.K and Lemeshow S. Sample Size Determination in Health Studies: A Practical Manual. WHO, 1991.
Warning: These citations may not always be 100% accurate.