Gaya APA

Lewis, S, L. et al (2007). Medical-Surgical Nursing : Assessment and Management of Clinical Problems Vol. 2 (7th Ed.). China: mosby el sevier.

Gaya MLA

Lewis, Sharon, L.. et al. "Medical-Surgical Nursing : Assessment and Management of Clinical Problems Vol. 2". 7th Ed. China: mosby el sevier, 2007. Text.