Citazione Stile APA (7a Edizione)
Krug, M. G. (2000). Emerging English modals: A corpus-based study of grammaticalization. Mouton de Gruyter.
Citazione stile Chigago Style (17a edizione)
Krug, Manfred G. Emerging English Modals: A Corpus-based Study of Grammaticalization. Berlin ; New York: Mouton de Gruyter, 2000.
Citatione MLA (9a ed.)
Krug, Manfred G. Emerging English Modals: A Corpus-based Study of Grammaticalization. Mouton de Gruyter, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.