Warren, Charles P. 1959. A vocabulary of the Batak of Palawan. (Philippine Studies Program, Transcript no. 7.) University of Chicago.
@book{warren1959,
author = {Warren, Charles P.},
key = {Warren 1959},
publisher = {University of Chicago},
series = {Philippine Studies Program, Transcript no. 7},
title = {A vocabulary of the Batak of Palawan},
year = {1959}
}