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- Author: Ronald H. Heck Scott L. Thomas
- Language: English
- Year: 2015
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- Author: George A. Marcoulides
- Language: English
- Year: 1998
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- Author: Ronald H Heck, Scott L Thomas, Lynn N Tabata
- Language: English
- Year: 2010
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- Author: Ronald H Heck, Scott L Thomas, Lynn N Tabata
- Language: English
- Year: 2010
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- Author: George A. Marcoulides Irini Moustaki
- Language: English
- Year: 2002