Haspelmath, Martin. 1990. The Grammaticization of Passive Morphology. Studies in Language 14(1). 25-72. doi: 10.1075/sl.14.1.03has. Amsterdam/Philadephia: John Benjamins Publishing Company.
@article{476065,
address = {Amsterdam/Philadephia},
author = {Haspelmath, Martin},
journal = {Studies in Language},
number = {1},
pages = {25-72},
publisher = {John Benjamins Publishing Company},
title = {The Grammaticization of Passive Morphology},
url = {https://doi.org/10.1075/sl.14.1.03has},
volume = {14},
year = {1990},
citekeys = {langsci18:haspelmath:1990 langsci315:haspelmath:1990},
doi = {10.1075/sl.14.1.03has},
hhtype = {grammar_sketch (computerized assignment from "morphology")},
inlg = {English [eng]},
isreferencedby = {langsci18 langsci315},
issn = {0378-4177},
lgcode = {Zimbabwean Ndebele [nde] (computerized assignment from "passive")},
src = {benjamins, langsci}
}