De Leon, H. S., & De Leon, H. M. (2013). The law on negotiable instruments: With documents of title (2013 ed.). Rex Book Store.
Chicago-viite (17. p.)De Leon, Hector S., ja Hector M. De Leon. The Law on Negotiable Instruments: With Documents of Title. 2013 ed. Manila: Rex Book Store, 2013.
MLA-viite (9. p.)De Leon, Hector S., ja Hector M. De Leon. The Law on Negotiable Instruments: With Documents of Title. 2013 ed. Rex Book Store, 2013.
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