Gaya APA

Wolfson, A, B., Harwood-Nuss, A. (c2005). Harwood-Nuss' clinical practice of emergency medicine (4th ed.). pau: Lippincott Williams & Wilkins.

Gaya MLA

Wolfson, Allan, B.., Harwood-Nuss, Ann.. "Harwood-Nuss' clinical practice of emergency medicine". 4th ed. pau: Lippincott Williams & Wilkins, c2005. Text.