APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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