APA način citiranja (7. izdanje)

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

Čikaški stil citiranja (17. izdanje)

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

MLA način citiranja (9. izdanje)

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