Villanueva, J. (2002). A position paper against House Bill No. 4110. IN Educators speak [column]. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)Villanueva, Jose. "A Position Paper Against House Bill No. 4110. IN Educators Speak [column]." Manila Bulletin 2002.
Citatione MLA (9a ed.)Villanueva, Jose. "A Position Paper Against House Bill No. 4110. IN Educators Speak [column]." Manila Bulletin, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.