Gaya APA

POLIT, D, F. (2010). Essentials of Nursing Research (Appraising Evidence for Nursing Practice) (7). Philadelphia: Lippincott Williams & Wilkins.

Gaya MLA

POLIT, DENISE, F.. "Essentials of Nursing Research (Appraising Evidence for Nursing Practice)". 7 Philadelphia: Lippincott Williams & Wilkins, 2010. Transparency.