Walker, S. (2009). Travel resources: An annotated guide. Scarecrow Press.
Cita Chicago Style (17a ed.)Walker, Stephen. Travel Resources: An Annotated Guide. Lanham, Md.: Scarecrow Press, 2009.
Cita MLA (9a ed.)Walker, Stephen. Travel Resources: An Annotated Guide. Scarecrow Press, 2009.
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