APA

Appelt D. E., . (1991). Proceedings of the 29th annual meeting on Association for Computational Linguistics. United States: Association for Computational Linguistics.

Chicago

Appelt Douglas E, . 1991. Proceedings of the 29th annual meeting on Association for Computational Linguistics. United States: Association for Computational Linguistics.

Harvard

Appelt D. E., . (1991). Proceedings of the 29th annual meeting on Association for Computational Linguistics. United States: Association for Computational Linguistics.

MLA

Appelt Douglas E, . Proceedings of the 29th annual meeting on Association for Computational Linguistics. United States: Association for Computational Linguistics. 1991.