Maranan, E. (2012). In praise of native trees, botanists, and biodiversity. IN Passage [column]. Philippine Star.
Citazione stile Chigago Style (17a edizione)Maranan, Ed. "In Praise of Native Trees, Botanists, and Biodiversity. IN Passage [column]." Philippine Star 2012.
Citatione MLA (9a ed.)Maranan, Ed. "In Praise of Native Trees, Botanists, and Biodiversity. IN Passage [column]." Philippine Star, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.