Dyfyniad APA

Polit, D., & Beck, C. T. (2004). Essentials of Nursing Research: Methods, Appraisal, and Utilization. Lippicott Williams & Willkins.

Dyfyniad Arddull Chicago

Polit, Dennise, and Cheryl Tatano Beck. Essentials of Nursing Research: Methods, Appraisal, and Utilization. Lippicott Williams & Willkins, 2004.

Dyfyniad MLA

Polit, Dennise, and Cheryl Tatano Beck. Essentials of Nursing Research: Methods, Appraisal, and Utilization. Lippicott Williams & Willkins, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.