| Titre | Structural explanations in syntactic variation: The evolution of English negative and polarity indefinites | 
| Publication Type | Article de revue | 
| Année de publication | 2018 | 
| Authors | Burnett, Heather, Hilda Koopman, and Sali A. Tagliamonte | 
| Journal | Language Variation and Change | 
| Volume | 30 | 
| Pagination | 83–107 |