Patnubay sa korepondensiya opisyal : may kasamang ortograpiyang pambansa /
Rogelio G. Mangahas at Leonida B. Villanueva, mga editor
- Ikaapat na edisyon.
- San Miguel, Manila : Komisyon sa Wikang Filipino, c2013.
- xviii, 473 p[ages : illustrations ; 28 cm.
Includes index and bibliographical references.
979710197231
Tagalog language--Writing
Government correspondence
Fil. 651.75 P311 2013
Includes index and bibliographical references.
979710197231
Tagalog language--Writing
Government correspondence
Fil. 651.75 P311 2013