Shortell, S. M., & Richardson, W. C. (1978). Health program evaluation: Issues and problems in health care.
Lua i Stíl Chicago (17ú heag.)Shortell, Stephen M., agus William C. Richardson. Health Program Evaluation: Issues and Problems in Health Care. Saint Louis : Mosby, 1978.
Lua MLA (9ú heag.)Shortell, Stephen M., agus William C. Richardson. Health Program Evaluation: Issues and Problems in Health Care. 1978.
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