APA (7th ed.) Citation
Villarreal, O. (2000). Hotel and catering services: Resource file level 3 (1a. ed.). Macmillan.
Chicago Style (17th ed.) Citation
Villarreal, Omar. Hotel and Catering Services: Resource File Level 3. 1a. ed. Buenos Aires: Macmillan, 2000.
MLA (9th ed.) Citation
Villarreal, Omar. Hotel and Catering Services: Resource File Level 3. 1a. ed. Macmillan, 2000.
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