National Economic Development Office. (1969). A standard system of hotel accounting. H.M.S.O.
Chicago Style (17. basım) AtıfNational Economic Development Office. A Standard System of Hotel Accounting. London: H.M.S.O, 1969.
MLA (9th ed.) AtıfNational Economic Development Office. A Standard System of Hotel Accounting. H.M.S.O, 1969.
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