Gaya APA

O\'Brien, P, G. et al (2007). Medical-Surgical Nursing : Assessment and Management of Clinical Problems Vol. 1 (7th Ed.). Canada: mosby el sevier.

Gaya MLA

O\'Brien, Patricia, G.. et al. "Medical-Surgical Nursing : Assessment and Management of Clinical Problems Vol. 1". 7th Ed. Canada: mosby el sevier, 2007. Text.