Walker, J. R., & Miller, J. E. (2010). Supervision in the hospitality industry: Leading human resources (6th ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)Walker, John R., agus Jack E. Miller. Supervision in the Hospitality Industry: Leading Human Resources. 6th ed. Hoboken, N.J: Wiley, 2010.
Lua MLA (9ú heag.)Walker, John R., agus Jack E. Miller. Supervision in the Hospitality Industry: Leading Human Resources. 6th ed. Wiley, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.