Cita APA (7th ed.)

Horwath & Horwath International. (1986). Worldwide hotel industry. Horwath & Horwath International.

Cita Chicago (17th ed.)

Horwath & Horwath International. Worldwide Hotel Industry. [New York, N.Y.]: Horwath & Horwath International, 1986.

Cita MLA (8th ed.)

Horwath & Horwath International. Worldwide Hotel Industry. Horwath & Horwath International, 1986.