APA
De Leon H. S. &. D. L. J. H. M., . (2016). The law on negotiable instruments (with documents of title). Philippines: Rex Book Store.
Chicago
De Leon Hector S & De Leon Jr Hector M, . 2016. The law on negotiable instruments (with documents of title). Philippines: Rex Book Store.
Harvard
De Leon H. S. &. D. L. J. H. M., . (2016). The law on negotiable instruments (with documents of title). Philippines: Rex Book Store.
MLA
De Leon Hector S & De Leon Jr Hector M, . The law on negotiable instruments (with documents of title). Philippines: Rex Book Store. 2016.