APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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