Santiago, Alfonso O. Makabagong balarilang Filipino / Alfonso O. Santiago, Norma G. Tiangco. - Binagong ed. - Manila : REX Book Store, c2003. - xiii, 287 p. Includes indeks, talatumbasan, at mga sanggunian. ISBN: 971-23-3681-6 Subjects--Topical Terms: Filipino language--Grammar.