De Leon, H. S., & De Leon, H. M. (2016). Comments and cases on credit transactions (Thirteenth edition.). Rex Book Store.
Chicago Style (17. basım) AtıfDe Leon, Hector S., ve Hector M. De Leon. Comments and Cases on Credit Transactions. Thirteenth edition. Manila: Rex Book Store, 2016.
MLA (9th ed.) AtıfDe Leon, Hector S., ve Hector M. De Leon. Comments and Cases on Credit Transactions. Thirteenth edition. Rex Book Store, 2016.
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