Chao, Yuen Ren. 1968. A grammar of Spoken Chinese. Berkeley and Los Angeles: University of California Press.
@book{nicholsdiversity-Chao1968,
address = {Berkeley and Los Angeles},
author = {Chao, Yuen Ren},
publisher = {University of California Press},
title = {A grammar of Spoken Chinese},
year = {1968}
}