Lua APA (7ú heag.)

Allen, J. (1995). Natural language understanding (2nd ed.). Benjamin/Cummings Pub. Co. ; Pearson Education.

Lua i Stíl Chicago (17ú heag.)

Allen, James. Natural Language Understanding. 2nd ed. Redwood City, Calif. : New Delhi: Benjamin/Cummings Pub. Co. ; Pearson Education, 1995.

Lua MLA (8ú heag.)

Allen, James. Natural Language Understanding. 2nd ed. Benjamin/Cummings Pub. Co. ; Pearson Education, 1995.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.