Proto-Karen :
a reanalysis /
Robbins Burling. Lahu and Proto-Lolo-Burmese / James A. Matisoff.

APA Citation

Burling, R., Matisoff, J. A. (1969). Proto-Karen: a reanalysis. [Ann Arbor]: Dept. of Linguistics, University of Michigan.

MLA Citation

Burling, Robbins, and James A Matisoff. Proto-Karen: a Reanalysis. [Ann Arbor]: Dept. of Linguistics, University of Michigan, 1969.

Warning: These citations may not always be complete (especially for serials).