APA

Middleton V. T., . (1994). Markiting in travel and tourism. London: Butter worth.

Chicago

Middleton Victor T.C, . 1994. Markiting in travel and tourism. London: Butter worth.

Harvard

Middleton V. T., . (1994). Markiting in travel and tourism. London: Butter worth.

MLA

Middleton Victor T.C, . Markiting in travel and tourism. London: Butter worth. 1994.