Cita APA

Frechtling, D. C. (1977). The state role in travel development. United States Travel Data Center.

Citación estilo Chicago

Frechtling, Douglas C. The State Role in Travel Development. Washington, D.C: United States Travel Data Center, 1977.

Cita MLA

Frechtling, Douglas C. The State Role in Travel Development. United States Travel Data Center, 1977.

Warning: These citations may not always be 100% accurate.