APA (7th ed.) Zitazioa
Hafen, B. Q. (1984). First aid and emergency care workbook (3rd ed.). Morton.
Chicago Style (17th ed.) Zitazioa
Hafen, Brent Q. First Aid and Emergency Care Workbook. 3rd ed. Englewood: Morton, 1984.
MLA (9th ed.) Zitazioa
Hafen, Brent Q. First Aid and Emergency Care Workbook. 3rd ed. Morton, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.