Clark, J., & Henderson, J. (1983). Community health. Churchill Livingstone.
Lua i Stíl Chicago (17ú heag.)Clark, June, agus Jill Henderson. Community Health. Edinburgh ; New York: Churchill Livingstone, 1983.
Lua MLA (8ú heag.)Clark, June, agus Jill Henderson. Community Health. Churchill Livingstone, 1983.
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