APA (7. basım) Alıntı

Pineda, E. L. (2000). Obligations and contracts. Central Professional Books.

Chicago Style (17. basım) Atıf

Pineda, Ernesto L. Obligations and Contracts. Quezon City: Central Professional Books, 2000.

MLA (9th ed.) Atıf

Pineda, Ernesto L. Obligations and Contracts. Central Professional Books, 2000.