Polit, D. F., & Beck, C. T. (2012). Nursing research: Generating and assessing evidence for nursing practice (Ninth Edition.). Wolters Kluwer Health/Lippincott Williams & Wilkins.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Polit, Denise F., و Cheryl Tatano Beck. Nursing Research: Generating and Assessing Evidence for Nursing Practice. Ninth Edition. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Polit, Denise F., و Cheryl Tatano Beck. Nursing Research: Generating and Assessing Evidence for Nursing Practice. Ninth Edition. Wolters Kluwer Health/Lippincott Williams & Wilkins, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.