O'Sullivan, J. (1990). Medicare: Physician referrals to clinical laboratories. Congressional Research Service, Library of Congress.
Chicago Style (17th ed.) CitationO'Sullivan, Jennifer. Medicare: Physician Referrals to Clinical Laboratories. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1990.
MLA (9th ed.) CitationO'Sullivan, Jennifer. Medicare: Physician Referrals to Clinical Laboratories. Congressional Research Service, Library of Congress, 1990.
Warning: These citations may not always be 100% accurate.