Walsh, B. (2004). The elephants of style: A trunkload of tips on the big issues and gray areas of contemporary American English. McGraw-Hill.

Walsh, Bill. The Elephants of Style: A Trunkload of Tips on the Big Issues and Gray Areas of Contemporary American English. New York: McGraw-Hill, 2004.

Walsh, Bill. The Elephants of Style: A Trunkload of Tips on the Big Issues and Gray Areas of Contemporary American English. McGraw-Hill, 2004.