APA

United States, . (2003). Payment for procedures in outpatient departments and ambulatory surgical centers. [Washington, D.C.]: Department of Health and Human Services, Office of Inspector General.

Chicago

United States, . 2003. Payment for procedures in outpatient departments and ambulatory surgical centers. [Washington, D.C.]: Department of Health and Human Services, Office of Inspector General.

Harvard

United States, . (2003). Payment for procedures in outpatient departments and ambulatory surgical centers. [Washington, D.C.]: Department of Health and Human Services, Office of Inspector General.

MLA

United States, . Payment for procedures in outpatient departments and ambulatory surgical centers. [Washington, D.C.]: Department of Health and Human Services, Office of Inspector General. 2003.