1. Basalzelladenoma der speicheldrüsen;Kleinsasser;Arch Klin Exp Ohren Nasen Kehlkopfheilkd,1967
2. International histological classification of tumours No.7: Histological typing of salivary gland tumours;Thackray,1972
3. Histological typing of salivary gland tumors. In the series of international histological classification of tumors;Seifert,1991
4. The World Health Organization’s histological classification of tumors, Pathology and genetics of head and neck tumors;Barnes,2005
5. WHO classification of head and neck tumors WHO classification of head and neck tumors;El-Naggar,2017