GARRITY, S. M. (1993). Basic Quality Improvement Susan M. Garrity. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)GARRITY, Susan M. Basic Quality Improvement Susan M. Garrity. Prentice-Hall, 1993.
Lua MLA (8ú heag.)GARRITY, Susan M. Basic Quality Improvement Susan M. Garrity. Prentice-Hall, 1993.
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