Del, C. (2003). A brief introduction to derivatives and swaps. IN Point of law [column]. Philippine Star.
Chicago Style (17. basım) AtıfDel, Castillo. "A Brief Introduction to Derivatives and Swaps. IN Point of Law [column]." Philippine Star 2003.
MLA (9th ed.) AtıfDel, Castillo. "A Brief Introduction to Derivatives and Swaps. IN Point of Law [column]." Philippine Star, 2003.
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