APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, Cohen, H. J., & Liverman, C. T. (2011). Certifying personal protective technologies: Improving worker safety. National Academies Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, Howard J. Cohen, ба Catharyn T. Liverman. Certifying Personal Protective Technologies: Improving Worker Safety. Washington, D.C.: National Academies Press, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, et al. Certifying Personal Protective Technologies: Improving Worker Safety. National Academies Press, 2011.