APA-viite (7. p.)
Polit, D. F., & Beck, C. T. (2014). Essentials of nursing research: Appraising evidence for nursing practice (8th ed.). Wolters Kluwer Health /Lippincott Williams & Wilkins.
Chicago-viite (17. p.)
Polit, Denise F., ja Cheryl Tatano Beck. Essentials of Nursing Research: Appraising Evidence for Nursing Practice. 8th ed. Philadelphia: Wolters Kluwer Health /Lippincott Williams & Wilkins, 2014.
MLA-viite (9. p.)
Polit, Denise F., ja Cheryl Tatano Beck. Essentials of Nursing Research: Appraising Evidence for Nursing Practice. 8th ed. Wolters Kluwer Health /Lippincott Williams & Wilkins, 2014.
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