Doubleyday R. (1971). New English comprehension: Richard Doubleyday. London Heinemann Educational Books 1971.
Chicago-стиль цитированияDoubleyday R. New English Comprehension: Richard Doubleyday. London Heinemann Educational Books 1971, 1971.
MLA-цитированиеDoubleyday R. New English Comprehension: Richard Doubleyday. London Heinemann Educational Books 1971, 1971.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.