APA aipamena

Doswell, R. (1978). Case studies in tourism: The International Federation for Productive Tourism. Barrie & Jenkins.

Chicago Style aipamena

Doswell, Roger. Case Studies in Tourism: The International Federation for Productive Tourism. London: Barrie & Jenkins, 1978.

MLA aipamena

Doswell, Roger. Case Studies in Tourism: The International Federation for Productive Tourism. Barrie & Jenkins, 1978.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.