Zorc, R. David. 1985. Core etymological dictionary of Filipino, Fascile 4. Typescript, 228pp, dated January, 1985.
@misc{zorc1985, author = {Zorc, R. David}, howpublished = {Typescript, 228pp, dated January, 1985}, key = {Zorc 1985}, title = {Core etymological dictionary of Filipino, Fascile 4}, year = {1985} }