Santos, E. T. (1996). The Law on obligation and contract. International Academy of Management & Economics.
Chicagoスタイル(17版)引用形式Santos, Emmanuel T. The Law on Obligation and Contract. Makati: International Academy of Management & Economics, 1996.
MLA(9版)引用形式Santos, Emmanuel T. The Law on Obligation and Contract. International Academy of Management & Economics, 1996.
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