Dental Economics. Tulsa.
Lua i Stíl Chicago (17ú heag.)Dental Economics. PennWell: Tulsa.
Lua MLA (9ú heag.)Dental Economics. Tulsa.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)