Gaya APA

Williams, L, S., Hopper, P, D. (2011). Understanding Medical Surgical Nursing, Volume 1 & 2 (Fifth Edition). Philadephia: F.A Davis Company.

Gaya MLA

Williams, Linda, S.., Hopper, Paula, D.. "Understanding Medical Surgical Nursing, Volume 1 & 2". Fifth Edition Philadephia: F.A Davis Company, 2011. Text.