Horwath & Horwath International. (1982). Worldwide lodging industry. Horwath & Horwath International.
Chicagoスタイル(17版)引用形式Horwath & Horwath International. Worldwide Lodging Industry. [New York, N.Y.]: Horwath & Horwath International, 1982.
MLA(8版)引用形式Horwath & Horwath International. Worldwide Lodging Industry. Horwath & Horwath International, 1982.
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