Arroyo, G. M. (1980). The impact of tourism: A report : data availability. Philippine Center for Economic Development.
Citace podle Chicago (17th ed.)Arroyo, Gloria M. The Impact of Tourism: A Report : Data Availability. Quezon City: Philippine Center for Economic Development, 1980.
Citace podle MLA (9th ed.)Arroyo, Gloria M. The Impact of Tourism: A Report : Data Availability. Philippine Center for Economic Development, 1980.
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