APA-viite (7. p.)
ebrary, Inc, & Bergen, K. V. (2009). Medicare payment policies to physicians. Nova Science Publishers.
Chicago-viite (17. p.)
ebrary, Inc, ja Katherine V. Bergen. Medicare Payment Policies to Physicians. New York: Nova Science Publishers, 2009.
MLA-viite (9. p.)
ebrary, Inc, ja Katherine V. Bergen. Medicare Payment Policies to Physicians. Nova Science Publishers, 2009.
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