Polit, D., & Beck, C. T. (2004). Essentials of Nursing Research: Methods, Appraisal, and Utilization. Lippicott Williams & Willkins.
Chicago-čujuhus (17. p.)Polit, Dennise, juo Cheryl Tatano Beck. Essentials of Nursing Research: Methods, Appraisal, and Utilization. Lippicott Williams & Willkins, 2004.
MLA-čujuhus (9. p.)Polit, Dennise, juo Cheryl Tatano Beck. Essentials of Nursing Research: Methods, Appraisal, and Utilization. Lippicott Williams & Willkins, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.