APA (7th ed.) Zitazioa
(1988). Nursing in today's world: Challenges issues and trends (3rd ed.). J B Lippincott.
Chicago Style (17th ed.) Zitazioa
Nursing in Today's World: Challenges Issues and Trends. 3rd ed. Philadelphia: J B Lippincott, 1988.
MLA (9th ed.) Zitazioa
Nursing in Today's World: Challenges Issues and Trends. 3rd ed. J B Lippincott, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.