{17. Exclamatives, Imperatives, Optatives}. Manual Of Romance Morphosyntax And Syntax. Vol. 17. Manual Of Romance Morphosyntax And Syntax. Berlin, Boston: De Gruyter Mouton. doi:10.1515/9783110377088-017. http://www.degruyter.com/view/books/9783110377088/9783110377088-017/9783110377088-017.xml.
. 2017.