Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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