APA

United States, . (1993). Patient advance directives: early implementation experience. [Washington, D.C.]: Department of Health and Human Services, Office of Inspector General.

Chicago

United States, . 1993. Patient advance directives: early implementation experience. [Washington, D.C.]: Department of Health and Human Services, Office of Inspector General.

Harvard

United States, . (1993). Patient advance directives: early implementation experience. [Washington, D.C.]: Department of Health and Human Services, Office of Inspector General.

MLA

United States, . Patient advance directives: early implementation experience. [Washington, D.C.]: Department of Health and Human Services, Office of Inspector General. 1993.