Polit, D. F., & Beck, C. T. (2012). Nursing research: Generating and assessing evidence for nursing practice (Ninth edition.). Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins.
শিকাগো স্টাইলে সাইটেশনPolit, Denise F., এবং Cheryl Tatano Beck. Nursing Research: Generating and Assessing Evidence for Nursing Practice. Ninth edition. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2012.
এমএলএ সাইটেশনPolit, Denise F., এবং Cheryl Tatano Beck. Nursing Research: Generating and Assessing Evidence for Nursing Practice. Ninth edition. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2012.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.