Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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