Brittan, K. (1974). Advanced listening comprehension practice in English. Hamish Hamilton and St. George's Press.
Chicago-referens (17:e uppl.)Brittan, Keith. Advanced Listening Comprehension Practice in English. Londres: Hamish Hamilton and St. George's Press, 1974.
MLA-referens (9:e uppl.)Brittan, Keith. Advanced Listening Comprehension Practice in English. Hamish Hamilton and St. George's Press, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.