Urden, L. D., Davie, J. K., & Thelan, L. A. (1992). Essentials of critical care nursing. Mosby Year Book.
Lua i Stíl Chicago (17ú heag.)Urden, Linda Diann, Joseph Kevin Davie, agus Lynne A. Thelan. Essentials of Critical Care Nursing. St. Louis: Mosby Year Book, 1992.
Lua MLA (9ú heag.)Urden, Linda Diann, et al. Essentials of Critical Care Nursing. Mosby Year Book, 1992.
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