Gaya APA

Polit, D, F. (2012). Nursing Research : Generating and Assesing Evidence for Nursing Practice . Philadhelpia: Lippincott William & Wilkins.

Gaya MLA

Polit, Denise, F.. "Nursing Research : Generating and Assesing Evidence for Nursing Practice". Philadhelpia: Lippincott William & Wilkins, 2012. Text.