Ellen Kisslinger. (1999). Listening focus: Comprehension practice for students of English. HongKong: Longman.
Chicago Style CitationEllen Kisslinger. Listening Focus: Comprehension Practice for Students of English. HongKong: Longman, 1999.
Cita MLAEllen Kisslinger. Listening Focus: Comprehension Practice for Students of English. HongKong: Longman, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.