Gaya APA

WILLIAMS, L, S., HOPPER, P, D. (2011). UNDERSTANDING MEDICAL SURGICAL NURSING (FOURTH EDITION). Philadelphia: F.A Davis Company.

Gaya MLA

WILLIAMS, LINDA, S.., HOPPER, PAULA, D.. "UNDERSTANDING MEDICAL SURGICAL NURSING". FOURTH EDITION Philadelphia: F.A Davis Company, 2011. Text.