Ehrman, Madeline Elizabeth. 1969. Bolinao Verbal Categories. (Doctoral dissertation, New Haven: Yale University; 296pp.)
@phdthesis{gEhrmanBolinao,
author = {Ehrman, Madeline Elizabeth},
pages = {296},
school = {New Haven: Yale University},
title = {Bolinao Verbal Categories},
year = {1969}
}