Pineda, E. L. (2000). Obligations and contracts. Central Professional Books.
Chicagoスタイル(17版)引用形式Pineda, Ernesto L. Obligations and Contracts. Quezon City: Central Professional Books, 2000.
MLA(9版)引用形式Pineda, Ernesto L. Obligations and Contracts. Central Professional Books, 2000.
警告: この引用は必ずしも正確ではありません.