Gilbert, J. B. (2005). Clear speech: Pronunciation and listening comprehension in North American english teacher`s resource book (3rd ed.). Cambridge University.
Цитирование в стиле Чикаго (17-е изд.)Gilbert, Judy B. Clear Speech: Pronunciation and Listening Comprehension in North American English Teacher`s Resource Book. 3rd ed. Cambridge: Cambridge University, 2005.
Цитирование MLA (9-е изд.)Gilbert, Judy B. Clear Speech: Pronunciation and Listening Comprehension in North American English Teacher`s Resource Book. 3rd ed. Cambridge University, 2005.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.