APA
Aorn, . (1994). Standards and recommended practices 1994. Denver, Colo: AORN.
Chicago
Aorn, . 1994. Standards and recommended practices 1994. Denver, Colo: AORN.
Harvard
Aorn, . (1994). Standards and recommended practices 1994. Denver, Colo: AORN.
MLA
Aorn, . Standards and recommended practices 1994. Denver, Colo: AORN. 1994.