Polit, D., & Beck, C. T. (2004). Essentials of Nursing Research: Methods, Appraisal, and Utilization. Lippicott Williams & Willkins.
Цитирование в стиле Чикаго (17-е изд.)Polit, Dennise, и Cheryl Tatano Beck. Essentials of Nursing Research: Methods, Appraisal, and Utilization. Lippicott Williams & Willkins, 2004.
Цитирование MLA (9-е изд.)Polit, Dennise, и Cheryl Tatano Beck. Essentials of Nursing Research: Methods, Appraisal, and Utilization. Lippicott Williams & Willkins, 2004.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.