Cita APA (7th ed.)

Torres, J. P. (2003). Obligations and contracts: With introduction to law (2003 ed.). Rex Book Store.

Cita Chicago (17th ed.)

Torres, Justo P. Obligations and Contracts: With Introduction to Law. 2003 ed. Manila: Rex Book Store, 2003.

Cita MLA (9th ed.)

Torres, Justo P. Obligations and Contracts: With Introduction to Law. 2003 ed. Rex Book Store, 2003.