APA-ийн эшлэл(7 дахь хэвлэлт)

East, J., Travis, S., & Leedham, S. (2015). Causality and chance in the development of cancer. Massachusetts Medical Society.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

East, J., S. Travis, ба S. Leedham. Causality and Chance in the Development of Cancer. Massachusetts Medical Society, 2015.

MLA -ийн эшлэл (9 дэх хэвлэлт)

East, J., et al. Causality and Chance in the Development of Cancer. Massachusetts Medical Society, 2015.