Gillies, D. A. (1994). Nursing Management A System Approach. W.B. Saunders Company.
Lua i Stíl Chicago (17ú heag.)Gillies, Dee Ann. Nursing Management A System Approach. W.B. Saunders Company, 1994.
Lua MLA (9ú heag.)Gillies, Dee Ann. Nursing Management A System Approach. W.B. Saunders Company, 1994.
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