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- Language: English
- Year: 2006

- Author: Richard Hudson
- Language: English
- Year: 2010

- Author: Robert Henry Robins
- Language: English
- Year: 1964

- Author: Emile Benveniste
- Language: Spanish
- Year: 1993

- Author: Рубен Александрович Будагов
- Language: Русский
- Year: 2004

- Author: Ferdinand De Saussure
- Language: Italian
- Year: 2003

- Author: Hayley G. Davis (eds.) Talbot J. Taylor (eds.)
- Language: English
- Year: 2002