Kruger, John R. 1961. Chuvash Manual. (Uralic and Altaic Series, 7.) Bloomington: Indiana University Press.
@book{kruger1961,
address = {Bloomington},
author = {Kruger, John R.},
publisher = {Indiana University Press},
series = {Uralic and Altaic Series},
title = {Chuvash Manual},
volume = {7},
year = {1961}
}