Santos, E. T. (1996). The Law on obligation and contract. International Academy of Management & Economics.
Citazione stile Chigago Style (17a edizione)Santos, Emmanuel T. The Law on Obligation and Contract. Makati: International Academy of Management & Economics, 1996.
Citatione MLA (9a ed.)Santos, Emmanuel T. The Law on Obligation and Contract. International Academy of Management & Economics, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.