«Nancy C. Dorian». Bryn Mawr College. Consultado em 31 de dezembro de 2019
doi.org
Drechsel, Emanuel J. (1990). "Review of Investigating Obsolescence: Studies in Language Contraction and Death". Language in Society. 19 (4): 550–554. doi:10.1017/S0047404500014834. JSTOR 4168180.
jstor.org
Drechsel, Emanuel J. (1990). "Review of Investigating Obsolescence: Studies in Language Contraction and Death". Language in Society. 19 (4): 550–554. doi:10.1017/S0047404500014834. JSTOR 4168180.