Não informado. (1956). Dental journal. University of Pittsburgh, School of Dentistry.
Chicago-Zitierstil (17. Ausg.)Não informado. Dental Journal. Pittsburgh, Pa: University of Pittsburgh, School of Dentistry, 1956.
MLA-Zitierstil (8. Ausg.)Não informado. Dental Journal. University of Pittsburgh, School of Dentistry, 1956.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.