APA (7th ed.) Citation

Longman. (2011). English for International Tourism - Audio Cassette Upper-Intermediate. Longman.

Chicago Style (17th ed.) Citation

Longman. English for International Tourism - Audio Cassette Upper-Intermediate. Longman, 2011.

MLA (8th ed.) Citation

Longman. English for International Tourism - Audio Cassette Upper-Intermediate. Longman, 2011.

Warning: These citations may not always be 100% accurate.