Gaya APA

ASPREY, D, P, &, , R, W, D. (2002). ESSENTIAL CLINICAL PROCEDURES (2). Philadelphia610: Saunders Elsevier.

Gaya MLA

ASPREY, DAVID, P, &, , RICHARD, W., DEHN. "ESSENTIAL CLINICAL PROCEDURES". 2 Philadelphia610: Saunders Elsevier, 2002. Text.