Theobald, W. F. (1998). Global tourism (2η εκδ.). Butterworth-Heinemann.
Chicago Style (17th ed.) CitationTheobald, William F. Global Tourism. 2η εκδ. Oxford: Butterworth-Heinemann, 1998.
MLA (9th ed.) CitationTheobald, William F. Global Tourism. 2η εκδ. Butterworth-Heinemann, 1998.
Warning: These citations may not always be 100% accurate.