Timothy, D. J., & Boyd, S. W. (2015). Tourism and trails: Cultural, ecological and management issues. Channel View Publications.
Citace podle Chicago (17th ed.)Timothy, Dallen J., a Stephen W. Boyd. Tourism and Trails: Cultural, Ecological and Management Issues. Bristol, UK, Buffalo: Channel View Publications, 2015.
Citace podle MLA (9th ed.)Timothy, Dallen J., a Stephen W. Boyd. Tourism and Trails: Cultural, Ecological and Management Issues. Channel View Publications, 2015.
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