Eugene Ehrlich. (1987). Schaum's outline of theory and problems of punctuation, capitalization, and spelling. New York: McGraw-Hill.
Chicago-стиль цитированияEugene Ehrlich. Schaum's Outline of Theory and Problems of Punctuation, Capitalization, and Spelling. New York: McGraw-Hill, 1987.
MLA-цитированиеEugene Ehrlich. Schaum's Outline of Theory and Problems of Punctuation, Capitalization, and Spelling. New York: McGraw-Hill, 1987.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.