Johnson, A. L. (1955). Dentistry as I see it today ([1st ed.].). Little, Brown.
Lua i Stíl Chicago (17ú heag.)Johnson, A. Leroy. Dentistry as I See It Today. [1st ed.]. Boston: Little, Brown, 1955.
Lua MLA (8ú heag.)Johnson, A. Leroy. Dentistry as I See It Today. [1st ed.]. Little, Brown, 1955.
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