APA

Hearst M., . (2003). Proceedings of the 2003 Conference of the North American Chapter of the Association for Computational Linguistics on Human Language Technology: Demonstrations - Volume 4. United States: Association for Computational Linguistics.

Chicago

Hearst Marti, . 2003. Proceedings of the 2003 Conference of the North American Chapter of the Association for Computational Linguistics on Human Language Technology: Demonstrations - Volume 4. United States: Association for Computational Linguistics.

Harvard

Hearst M., . (2003). Proceedings of the 2003 Conference of the North American Chapter of the Association for Computational Linguistics on Human Language Technology: Demonstrations - Volume 4. United States: Association for Computational Linguistics.

MLA

Hearst Marti, . Proceedings of the 2003 Conference of the North American Chapter of the Association for Computational Linguistics on Human Language Technology: Demonstrations - Volume 4. United States: Association for Computational Linguistics. 2003.