Lua APA (7ú heag.)

Sumner, J. R. (1972). Statistics for hotels and catering. Edward Arnold.

Lua i Stíl Chicago (17ú heag.)

Sumner, John R. Statistics for Hotels and Catering. [London]: Edward Arnold, 1972.

Lua MLA (9ú heag.)

Sumner, John R. Statistics for Hotels and Catering. Edward Arnold, 1972.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.