Ferguson, Charles A. 1990. From esses to aitches identifying pathways of diachronic change. In Croft, William A. and Kemmer, Suzanne and Denning, Keith (eds.), Studies in Typology and Diachrony: Papers presented to Joseph H. Greenberg on his 75th birthday, 59-78. Amsterdam: Benjamins.
@incollection{jacquesestimative-ferguson90esses, address = {Amsterdam}, author = {Ferguson, Charles A.}, booktitle = {Studies in Typology and Diachrony: Papers presented to Joseph H. Greenberg on his 75th birthday}, editor = {Croft, William A. and Kemmer, Suzanne and Denning, Keith}, pages = {59-78}, publisher = {Benjamins}, title = {From esses to aitches identifying pathways of diachronic change}, year = {1990} }