APA

Callison-Burch C., . (2009). Proceedings of the Fourth Workshop on Statistical Machine Translation. United States: Association for Computational Linguistics.

Chicago

Callison-Burch Chris, . 2009. Proceedings of the Fourth Workshop on Statistical Machine Translation. United States: Association for Computational Linguistics.

Harvard

Callison-Burch C., . (2009). Proceedings of the Fourth Workshop on Statistical Machine Translation. United States: Association for Computational Linguistics.

MLA

Callison-Burch Chris, . Proceedings of the Fourth Workshop on Statistical Machine Translation. United States: Association for Computational Linguistics. 2009.