APA (7 वां संस्करण) प्रशस्ति पत्र
Polit, D. F., & Beck, C. T. (2018). Essentials of nursing research: Appraising evidence for nursing practice (9th ed.). Wolters Kluwer Health.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Polit, Denise F., और Cheryl Tatano Beck. Essentials of Nursing Research: Appraising Evidence for Nursing Practice. 9th ed. Philadelphia: Wolters Kluwer Health, 2018.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Polit, Denise F., और Cheryl Tatano Beck. Essentials of Nursing Research: Appraising Evidence for Nursing Practice. 9th ed. Wolters Kluwer Health, 2018.
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