APA (7th ed.) Zitazioa
American Heart Association. (2015). Basic life support: BLS course and heartcode. American Heart Association.
Chicago Style (17th ed.) Zitazioa
American Heart Association. Basic Life Support: BLS Course and Heartcode. [Dallas, TX]: American Heart Association, 2015.
MLA (9th ed.) Zitazioa
American Heart Association. Basic Life Support: BLS Course and Heartcode. American Heart Association, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.