Turner, C. E. (1939). Personal and community health (5th ed.). Mosby.
Dyfyniad Arddull ChicagoTurner, C. E. Personal and Community Health. 5th ed. St. Louis: Mosby, 1939.
Dyfyniad MLATurner, C. E. Personal and Community Health. 5th ed. Mosby, 1939.
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