Lua APA (7ú heag.)
Polit, D. F., & Beck, C. T. (2018). Essentials of nursing research: Appraising evidence for nursing practice (9th ed.). Wolters Kluwer Health.
Lua i Stíl Chicago (17ú heag.)
Polit, Denise F., agus Cheryl Tatano Beck. Essentials of Nursing Research: Appraising Evidence for Nursing Practice. 9th ed. Philadelphia: Wolters Kluwer Health, 2018.
Lua MLA (9ú heag.)
Polit, Denise F., agus Cheryl Tatano Beck. Essentials of Nursing Research: Appraising Evidence for Nursing Practice. 9th ed. Wolters Kluwer Health, 2018.
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