Dyfyniad APA

Hurley, R., & Virgo, D. (1986). Alternative languages for the spectrum. Duckworth.

Dyfyniad Arddull Chicago

Hurley, Richard, and David Virgo. Alternative Languages for the Spectrum. London: Duckworth, 1986.

Dyfyniad MLA

Hurley, Richard, and David Virgo. Alternative Languages for the Spectrum. Duckworth, 1986.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.