Παραπομπή σε μορφή APA (7η εκδ.)

Hayward, R. J. (1976). Categories of the predicator in 'afar, with especial reference to the grammar of radical extensions. University of London.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hayward, R. J. Categories of the Predicator in 'Afar, with Especial Reference to the Grammar of Radical Extensions. University of London, 1976.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hayward, R. J. Categories of the Predicator in 'Afar, with Especial Reference to the Grammar of Radical Extensions. University of London, 1976.