Greenberg, Joseph H. 1978. Generalizations about Numeral Systems. In Joseph H. Greenberg, Charles A. Ferguson and Moravcsik, Edith A. (eds.), Universals of Human Language, Volume 3: Word Structure, 249–295. Stanford: Stanford University Press.
@incollection{Greenberg-1978,
address = {Stanford},
author = {Greenberg, Joseph H.},
booktitle = {Universals of Human Language, Volume 3: Word Structure},
editor = {Joseph H. Greenberg, Charles A. Ferguson and Moravcsik, Edith A.},
pages = {249–295},
publisher = {Stanford University Press},
title = {Generalizations about Numeral Systems},
volume = {3},
year = {1978}
}