APA-ийн эшлэл(7 дахь хэвлэлт)

Hill, A. B., & Hill, I. D. (1991). Bradford Hill's Principles of Medical Statistics (12th ed.). B. I. Publications.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Hill, Austin Bradford, ба I. D. Hill. Bradford Hill's Principles of Medical Statistics. 12th ed. New Delhi: B. I. Publications, 1991.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Hill, Austin Bradford, ба I. D. Hill. Bradford Hill's Principles of Medical Statistics. 12th ed. B. I. Publications, 1991.