Cita APA (7th ed.)

Santos, E. T. (1996). The Law on obligation and contract. International Academy of Management & Economics.

Cita Chicago (17th ed.)

Santos, Emmanuel T. The Law on Obligation and Contract. Makati: International Academy of Management & Economics, 1996.

Cita MLA (9th ed.)

Santos, Emmanuel T. The Law on Obligation and Contract. International Academy of Management & Economics, 1996.