- Author: Susan B.M. Langley Richard W. Unger
- Language: English
- Year: 1984
- Author: McGraw-Hill Education (Firm), Langley Richard, Moore John T
- Language: English
- Year: 2019
- Author: McGraw-Hill Companies, Langley Richard, Moore John T
- Language: English
- Year: 2015
- Author: Langley Richard, Moore John T
- Language: English
- Year: 2015
- Author: Langley Richard, Moore John T
- Language: English
- Year: 2013
- Author: Hattori Heather R., Langley Richard H
- Language: English
- Year: 2014