APA aipamena

Chawla Romila. Monitoring Tourism/1e. Sonali.

Chicago Style aipamena

Chawla Romila. Monitoring Tourism/1e. New Delhi: Sonali.

MLA aipamena

Chawla Romila. Monitoring Tourism/1e. Sonali.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.