Branks, T. and Branks, J. 1973. Fonologia del Guambiano. (Sistemas fonologicos de idiomas colombianos, 2.) Loma Linda, Colombia: Summer Institute of Linguistcs.
@book{Branks-and-Branks-1973,
address = {Loma Linda, Colombia},
author = {Branks, T. and Branks, J.},
publisher = {Summer Institute of Linguistcs},
series = {Sistemas fonologicos de idiomas colombianos},
title = {Fonologia del Guambiano},
volume = {2},
year = {1973},
iso_code = {gum},
olac_field = {general_linguistics; typology; phonetics; phonology},
wals_code = {gmb}
}