APA-referens

Siddiqui, T., & Tiwary, U. S. (2008). Natural language processing and information retrieval. Oxford Univ Press.

Chicago-stil citat

Siddiqui, Tanveer, och U. S. Tiwary. Natural Language Processing and Information Retrieval. New Delhi ; New York: Oxford Univ Press, 2008.

MLA-referens

Siddiqui, Tanveer, och U. S. Tiwary. Natural Language Processing and Information Retrieval. Oxford Univ Press, 2008.