Παραπομπή σε μορφή APA (7η εκδ.)

Gazdar, G. (1987). Natural language processing in the 1980s: A bibliography. Center for the Study of Language and Information.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gazdar, Gerald. Natural Language Processing in the 1980s: A Bibliography. Stanford, CA: Center for the Study of Language and Information, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gazdar, Gerald. Natural Language Processing in the 1980s: A Bibliography. Center for the Study of Language and Information, 1987.