Hays, D. G. [ca. 1967]. Introduction to computational linguistics. In Mathematical linguistics and automatic language processing [Book]. New York: Elsevier [u.a.].

HAYS, David G., 1967. Introduction to computational linguistics. New York: Elsevier [u.a.]. Mathematical linguistics and automatic language processing, 2.

Hays, D. G. „Introduction to computational linguistics“. Mathematical linguistics and automatic language processing, book, Elsevier [u.a.], 1967.

Hays, David G.: Introduction to computational linguistics, . Mathematical linguistics and automatic language processing, New York 1967.

Hays, D.G. (1967), Introduction to computational linguistics, Mathematical linguistics and automatic language processing, Bd. , Elsevier [u.a.], New York.