APA (7 वां संस्करण) प्रशस्ति पत्र

Lwanga, S. K., & Lemeshow, S. (1991). Sample size determination in health studies: A practical manual. World Health Organization.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Lwanga, S. Kaggwa, और Stanley Lemeshow. Sample Size Determination in Health Studies: A Practical Manual. Geneva: World Health Organization, 1991.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Lwanga, S. Kaggwa, और Stanley Lemeshow. Sample Size Determination in Health Studies: A Practical Manual. World Health Organization, 1991.