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Foster, Dennis L. (1990). The Business Of Travel Agency Operations And Administration / Dennis L. Foster . Singapore :: McGraw-Hill Book Company,.

Gaya Chicago

Foster, Dennis L. The Business Of Travel Agency Operations And Administration / Dennis L. Foster. Singapore :: McGraw-Hill Book Company,, 1990. Text.

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Foster, Dennis L. The Business Of Travel Agency Operations And Administration / Dennis L. Foster. Singapore :: McGraw-Hill Book Company,, 1990. Text.

Gaya Turabian

Foster, Dennis L. The Business Of Travel Agency Operations And Administration / Dennis L. Foster. Singapore :: McGraw-Hill Book Company,, 1990. Print.