Cita APA (7th ed.)

Torres, J. P. (1981). Obligations and contracts: With introduction to law (8th ed.). Booksellers.

Cita Chicago (17th ed.)

Torres, Justo P. Obligations and Contracts: With Introduction to Law. 8th ed. Manila: Booksellers, 1981.

Cita MLA (9th ed.)

Torres, Justo P. Obligations and Contracts: With Introduction to Law. 8th ed. Booksellers, 1981.