Stevick, E. W. (1957). Helping People Learn English: A manual for Teachers of English as a second language. Abingdon Press.
Цитирование в стиле Чикаго (17-е изд.)Stevick, Earl W. Helping People Learn English: A Manual for Teachers of English as a Second Language. New York, Estados Unidos: Abingdon Press, 1957.
Цитирование MLA (9-е изд.)Stevick, Earl W. Helping People Learn English: A Manual for Teachers of English as a Second Language. Abingdon Press, 1957.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.