Aquino, R. C. (2009). Shouldn't we be saying thank you?. IN Pensees [column]. Manila Standard Today.
Citazione stile Chigago Style (17a edizione)Aquino, Ranhilio Callangan. "Shouldn't We Be Saying Thank You?. IN Pensees [column]." Manila Standard Today 2009.
Citatione MLA (9a ed.)Aquino, Ranhilio Callangan. "Shouldn't We Be Saying Thank You?. IN Pensees [column]." Manila Standard Today, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.