BOARDMAN, R. D. (1986). Hotel And Catering Costing And Budgets R. D. Boardman. Heinemann.
Lua i Stíl Chicago (17ú heag.)BOARDMAN, R. D. Hotel And Catering Costing And Budgets R. D. Boardman. Heinemann, 1986.
Lua MLA (8ú heag.)BOARDMAN, R. D. Hotel And Catering Costing And Budgets R. D. Boardman. Heinemann, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.