Tacio, H. D. (2017). Strange animal behavior: Nature's harbinger of earthquakes? Philippine Graphic.
Citazione stile Chigago Style (17a edizione)Tacio, Henrylito D. "Strange Animal Behavior: Nature's Harbinger of Earthquakes?" Philippine Graphic 2017.
Citatione MLA (9a ed.)Tacio, Henrylito D. "Strange Animal Behavior: Nature's Harbinger of Earthquakes?" Philippine Graphic, 2017.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.