Gaya APA

Williams, L, S., Hopper, P, D. (2011). Understanding Medical Surgical Nursing (wat1) (4th ed.). Philadelphia: F.A. Davis.

Gaya MLA

Williams, Linda, S.., Hopper, Paula, D.. "Understanding Medical Surgical Nursing (wat1)". 4th ed. Philadelphia: F.A. Davis, 2011. Text.