APA (7th ed.) Zitazioa
Polit, D. F., & Beck, C. T. (2010). Essentials of nursing research: Appraising evidence for nursing practice (7th ed.). Wolters Kluwer Health/Lippincott Williams & Wilkins.
Chicago Style (17th ed.) Zitazioa
Polit, Denise F., eta Cheryl Tatano Beck. Essentials of Nursing Research: Appraising Evidence for Nursing Practice. 7th ed. Philadelphia PA: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2010.
MLA (9th ed.) Zitazioa
Polit, Denise F., eta Cheryl Tatano Beck. Essentials of Nursing Research: Appraising Evidence for Nursing Practice. 7th ed. Wolters Kluwer Health/Lippincott Williams & Wilkins, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.