Republic of the Philippines. Office of the President. National Book Development Board I.Title. (1999). 1999 NSDB Directory of registrants as of June 15, 1999. National Book development Board.
Chicago Style (17th ed.) CitationRepublic of the Philippines. Office of the President. National Book Development Board I.Title. 1999 NSDB Directory of Registrants as of June 15, 1999. Quezon City: National Book development Board, 1999.
MLA (9th ed.) CitationRepublic of the Philippines. Office of the President. National Book Development Board I.Title. 1999 NSDB Directory of Registrants as of June 15, 1999. National Book development Board, 1999.
Warning: These citations may not always be 100% accurate.