De Jesus, E. C. (2007). Education for sustainable development. IN Second thoughts [column]. Manila Bulletin.
Citazione stile Chigago Style (17a edizione)De Jesus, Edilberto C. "Education for Sustainable Development. IN Second Thoughts [column]." Manila Bulletin 2007.
Citatione MLA (9a ed.)De Jesus, Edilberto C. "Education for Sustainable Development. IN Second Thoughts [column]." Manila Bulletin, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.