Ehrlich, E. Schaum's Outline of Theory and Problems of Punctuation, Capitalization, and Spelling. New York etc.: McGraw-Hill, 1987 182 p. 0-07-019487-4.
Ehrlich, E. Schaum's Outline of Theory and Problems of Punctuation, Capitalization, and Spelling. New York etc.: McGraw-Hill, 1987 182 p. 0-07-019487-4.
Ehrlich, E. (1987) Schaum's Outline of Theory and Problems of Punctuation, Capitalization, and Spelling, New York etc.: McGraw-Hill 182 p. 0-07-019487-4.
Ehrlich, E. (1987). Schaum's Outline of Theory and Problems of Punctuation, Capitalization, and Spelling. New York etc.: McGraw-Hill, 182 p.
Ehrlich E. Schaum's Outline of Theory and Problems of Punctuation, Capitalization, and Spelling. New York etc.: McGraw-Hill; 1987. p. 182 p. ISBN: 0-07-019487-4.
