Cita APA

De Leon, H. S., & De Leon, H. M. (2000). Comments and cases on obligations and contracts (3rd ed.). Rex Book Store.

Citación estilo Chicago

De Leon, Hector S., and Hector M. De Leon. Comments and Cases on Obligations and Contracts. 3rd ed. Manila: Rex Book Store, 2000.

Cita MLA

De Leon, Hector S., and Hector M. De Leon. Comments and Cases on Obligations and Contracts. 3rd ed. Rex Book Store, 2000.