@book{94543,
	author = {Hock, Hans Henrich, and Joseph, Brian D.,},
	title = {Language history, language change, and language relationship :},
	publisher = {De Gruyter,},
	year = {2019},
	address = {Boston :},
	edition = {Third Revised Edition},
	url = {https://www-degruyter-com.libraryumpsa.idm.oclc.org/view/title/540138}
}