Hayward, R. J. (1976). Categories of the predicator in 'afar, with especial reference to the grammar of radical extensions. University of London.
Chicago-referens (17:e uppl.)Hayward, R. J. Categories of the Predicator in 'Afar, with Especial Reference to the Grammar of Radical Extensions. University of London, 1976.
MLA-referens (8:e uppl.)Hayward, R. J. Categories of the Predicator in 'Afar, with Especial Reference to the Grammar of Radical Extensions. University of London, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.