APA Style

Polit, D, F., Beck, C, T. (). Essential of Nursing Reseach Methods, Appraisal, and Utilization, Edisi 6 (Edisi-6). : Lippincoot William & Wilkins.

MLA Style

Polit, Denise, F.., Beck, Cheryl, Tatano. "Essential of Nursing Reseach Methods, Appraisal, and Utilization, Edisi 6". Edisi-6 : Lippincoot William & Wilkins, . Nursing Research.