Appannaiah, H. R. (2010). Services management (Rev. ed.). Himalaya Pub. House.
Lua i Stíl Chicago (17ú heag.)Appannaiah, H. R. Services Management. Rev. ed. Mumbai [India]: Himalaya Pub. House, 2010.
Lua MLA (9ú heag.)Appannaiah, H. R. Services Management. Rev. ed. Himalaya Pub. House, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.