Não informado. (1953). Academy review of the California Academy of Periodontology. California Academy of Periodontology.
Chicago-Zitierstil (17. Ausg.)Não informado. Academy Review of the California Academy of Periodontology. San Francisco, Calif: California Academy of Periodontology, 1953.
MLA-Zitierstil (8. Ausg.)Não informado. Academy Review of the California Academy of Periodontology. California Academy of Periodontology, 1953.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.