Gaya APA

Weischedel, M, B, D, R, M. (1993). CHALLENGES IN NATURAL LANGUAGE PROCESSING (EDISI). New York: Cambridge University Press.

Gaya MLA

Weischedel, Madeleine, Bates, Dan, Ralph, M.. "CHALLENGES IN NATURAL LANGUAGE PROCESSING". EDISI New York: Cambridge University Press, 1993. Text.