New Strategist Publications, Inc. (2013). Who's buying for travel (Ninth edition.). New Strategist Press.
Citace podle Chicago (17th ed.)New Strategist Publications, Inc. Who's Buying for Travel. Ninth edition. Amityville, NY: New Strategist Press, 2013.
Citace podle MLA (9th ed.)New Strategist Publications, Inc. Who's Buying for Travel. Ninth edition. New Strategist Press, 2013.
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