Lwanga, S. K., & Lemeshow, S. (1991). Sample size determination in health studies: A practical manual. World Health Organization.
芝加哥风格引文Lwanga, S. Kaggwa, 与 Stanley Lemeshow. Sample Size Determination in Health Studies: A Practical Manual. Geneva: World Health Organization, 1991.
MLA引文Lwanga, S. Kaggwa, 与 Stanley Lemeshow. Sample Size Determination in Health Studies: A Practical Manual. World Health Organization, 1991.
警告：这些引文格式不一定是100％准确.