Polit D. F., H. B. P. (1989). Essentials of nursing research: Methods appraisal, and utilization (2-nd ed.). J.B. Lippincott.
Chicago Style (17th ed.) CitationPolit D. F., Hungler B. P. Essentials of Nursing Research: Methods Appraisal, and Utilization. 2-nd ed. New York: J.B. Lippincott, 1989.
MLA (8th ed.) CitationPolit D. F., Hungler B. P. Essentials of Nursing Research: Methods Appraisal, and Utilization. 2-nd ed. J.B. Lippincott, 1989.
Warning: These citations may not always be 100% accurate.