(1998). List of political parties/sectoral organizations/coalitions participating in the party list system for the May 11, 1998 elections with their respective nominees. Manila Bulletin.
Chicago-viite (17. p.)"List of Political Parties/sectoral Organizations/coalitions Participating in the Party List System for the May 11, 1998 Elections with Their Respective Nominees." Manila Bulletin 1998.
MLA-viite (9. p.)"List of Political Parties/sectoral Organizations/coalitions Participating in the Party List System for the May 11, 1998 Elections with Their Respective Nominees." Manila Bulletin, 1998.
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