Allen, J. (1995). Natural language understanding (2nd ed.). Benjamin/Cummings Pub. Co. ; Pearson Education.
Čikaški stil citiranja (17. izdanje)Allen, James. Natural Language Understanding. 2nd ed. Redwood City, Calif. : New Delhi: Benjamin/Cummings Pub. Co. ; Pearson Education, 1995.
MLA način citiranja (8. izdanje)Allen, James. Natural Language Understanding. 2nd ed. Benjamin/Cummings Pub. Co. ; Pearson Education, 1995.
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