APA aipamena

Sebastian, A. M. (2020). Obligations and contracts (2020 edition.). Central Book Supply,Inc.

Chicago Style aipamena

Sebastian, Avelino M.,Jr. Obligations and Contracts. 2020 edition. Quezon City: Central Book Supply,Inc, 2020.

MLA aipamena

Sebastian, Avelino M.,Jr. Obligations and Contracts. 2020 edition. Central Book Supply,Inc, 2020.

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