APA (7th ed.) Citation

Austria, S. E., & Aquino, T. B. (2005). Fundamentals of obligations and contracts. Central Book Supply.

Chicago Style (17th ed.) Citation

Austria, Salvador E., and Timoteo B. Aquino. Fundamentals of Obligations and Contracts. Quezon City: Central Book Supply, 2005.

MLA (8th ed.) Citation

Austria, Salvador E., and Timoteo B. Aquino. Fundamentals of Obligations and Contracts. Central Book Supply, 2005.