Cita APA (7th ed.)

Egger, R., & Buhalis, D. (2008). eTourism case studies: Management and marketing issues. Butterworth-Heinemann.

Cita Chicago (17th ed.)

Egger, Roman, i Dimitrios Buhalis. ETourism Case Studies: Management and Marketing Issues. Amsterdam: Butterworth-Heinemann, 2008.

Cita MLA (9th ed.)

Egger, Roman, i Dimitrios Buhalis. ETourism Case Studies: Management and Marketing Issues. Butterworth-Heinemann, 2008.