APA-viite (7. p.)
Cheng, M. (2003). Medical device regulations: Global overview and guiding principles. World Health Organization.
Chicago-viite (17. p.)
Cheng, Michael. Medical Device Regulations: Global Overview and Guiding Principles. Geneva: World Health Organization, 2003.
MLA-viite (9. p.)
Cheng, Michael. Medical Device Regulations: Global Overview and Guiding Principles. World Health Organization, 2003.
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