APA (7th ed.) Citation

RIDLER, E. English for International Tourism: Pre-Intermediate Teacher-s Book. Longman.

Chicago Style (17th ed.) Citation

RIDLER, Elinor. English for International Tourism: Pre-Intermediate Teacher-s Book. Longman.

MLA (8th ed.) Citation

RIDLER, Elinor. English for International Tourism: Pre-Intermediate Teacher-s Book. Longman.

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