Polit, D. F., Beck, C. T., & Hungler, B. P. (2001). Essentials of nursing research: Methods, appraisal, and utilization (5th ed.). Lippincott Williams & Wilkins.
Chicago-Zitierstil (17. Ausg.)Polit, Denise F., Cheryl T. Beck, und Bernadette P. Hungler. Essentials of Nursing Research: Methods, Appraisal, and Utilization. 5th ed. Philadelphia [u.a.]: Lippincott Williams & Wilkins, 2001.
MLA-Zitierstil (9. Ausg.)Polit, Denise F., et al. Essentials of Nursing Research: Methods, Appraisal, and Utilization. 5th ed. Lippincott Williams & Wilkins, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.