Goepp, R. M. (1928). Dental state board questions and answers: By R. Max Goepp (4th ed., rev.). Saunders.
Lua i Stíl Chicago (17ú heag.)Goepp, Rudolph Max. Dental State Board Questions and Answers: By R. Max Goepp. 4th ed., rev. Philadelphia and London: Saunders, 1928.
Lua MLA (8ú heag.)Goepp, Rudolph Max. Dental State Board Questions and Answers: By R. Max Goepp. 4th ed., rev. Saunders, 1928.
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