Thomas, T. B. (1973). The most common mistakes in English usage. McGraw-Hill.
Cita Chicago (17th ed.)Thomas, Thomas Berry. The Most Common Mistakes in English Usage. New York: McGraw-Hill, 1973.
Cita MLA (9th ed.)Thomas, Thomas Berry. The Most Common Mistakes in English Usage. McGraw-Hill, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.