Lua APA (7ú heag.)

De Leon, H. S. (1969). The law on negotiable instruments (With documents of title). s.n.

Lua i Stíl Chicago (17ú heag.)

De Leon, Hector S. The Law on Negotiable Instruments (With Documents of Title). [Manilan: s.n, 1969.

Lua MLA (9ú heag.)

De Leon, Hector S. The Law on Negotiable Instruments (With Documents of Title). s.n, 1969.

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