APA Citation

Bien, A. (1999). Errors and principles of action of ecotourism projects.

Citación estilo Chicago

Bien, Amos. Errors and Principles of Action of Ecotourism Projects. 1999.

MLA Citation

Bien, Amos. Errors and Principles of Action of Ecotourism Projects. 1999.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.