Antonio, Lamberto E. Pingkian : at apat na pang aklat ng tunggalian/ Lamberto E. Antonio. - Manila: ADMU Press, c1997. - ix, 290 p. ; 23 cm. ISBN: 9715502458 Subjects--Topical Terms: Filipino poetry.Poetry. Dewey Class. No.: DFil 899.211 / An8