Torre, F. d. l., & Patán, R. E. (2001). Steps towards an international trip: A technical english course for students of tourism (2a. ed., 3a. reimpr.). México: Trillas.
Chicago Style CitationTorre, Francisco de la, and Rosa Elena Patán. Steps Towards an International Trip: A Technical English Course for Students of Tourism. 2a. ed., 3a. reimpr. México: Trillas, 2001.
MLA CitationTorre, Francisco de la, and Rosa Elena Patán. Steps Towards an International Trip: A Technical English Course for Students of Tourism. 2a. ed., 3a. reimpr. México: Trillas, 2001.
Warning: These citations may not always be 100% accurate.