Cita APA (7th ed.)

Ulep, M. C. (2016). A bar oriented approach to the law on obligations and contracts (2016 edition.). Central Book Supply, Inc.

Cita Chicago (17th ed.)

Ulep, Mauricio C. A Bar Oriented Approach to the Law on Obligations and Contracts. 2016 edition. Quezon City: Central Book Supply, Inc, 2016.

Cita MLA (9th ed.)

Ulep, Mauricio C. A Bar Oriented Approach to the Law on Obligations and Contracts. 2016 edition. Central Book Supply, Inc, 2016.