Não informado. (1931). Bulletin of the San Diego County Dental Society. San Diego County Dental Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin of the San Diego County Dental Society. San Diego, Calif: San Diego County Dental Society, 1931.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin of the San Diego County Dental Society. San Diego County Dental Society, 1931.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.