Lua APA (7ú heag.)
ebrary, Inc, & Ekelman, K. B. (1988). New medical devices: Invention, development, and use. National Academy Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, agus Karen B. Ekelman. New Medical Devices: Invention, Development, and Use. Washington, D.C.: National Academy Press, 1988.
Lua MLA (9ú heag.)
ebrary, Inc, agus Karen B. Ekelman. New Medical Devices: Invention, Development, and Use. National Academy Press, 1988.
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