O'Neill, P. (2010). A theoretical explanation of defective verbs in the Spanish language.
Chicago Style (17th ed.) CitationO'Neill, P. A Theoretical Explanation of Defective Verbs in the Spanish Language. 2010.
MLA (9th ed.) CitationO'Neill, P. A Theoretical Explanation of Defective Verbs in the Spanish Language. 2010.
Warning: These citations may not always be 100% accurate.