APA (7 ম সংস্করণ) উদ্ধৃতি

Graham, W., Brass, W., & Snow, R. W. (1988). Indirect estimation of maternal mortality: The sisterhood method. Centre for Population Studies, London School of Hygiene and Tropical Medicine.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Graham, Wendy, William Brass, এবং Robert W. Snow. Indirect Estimation of Maternal Mortality: The Sisterhood Method. London: Centre for Population Studies, London School of Hygiene and Tropical Medicine, 1988.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Graham, Wendy, et al. Indirect Estimation of Maternal Mortality: The Sisterhood Method. Centre for Population Studies, London School of Hygiene and Tropical Medicine, 1988.