APA aipamena

Kelly S Bricker. Sustainable tourism and the millenium development goals: Effecting positive change.

Chicago Style aipamena

Kelly S Bricker. Sustainable Tourism and the Millenium Development Goals: Effecting Positive Change.

MLA aipamena

Kelly S Bricker. Sustainable Tourism and the Millenium Development Goals: Effecting Positive Change.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.