Gabay sa ispeling - Zafra, Galileo S.; Añonuevo, Roberto T.; Baquiran, Romulo P. Jr.; Narvaez, Eilene Antoinette G.; Naval, Jimmuel C.; Guarin, Jona S.; Almario, Virgilio S.; Constantino, Pamela C.; Malicsi, Jonathan I.; Miclat, Mario I.; University of the Philippines Diliman. Sentro ng Wikang Filipino (Diliman, Quezon City Sentro ng Wikang Filipino, Unibersidad ng Pilipinas, 2008)
Pu-F-2197g photocopy
Keywords: Filipino language -- Orthography and spelling