Cita APA (7th ed.)

Paras, E. L., & Paras, E. C. (1991). Agency, sales and credit transactions. Rex Book Store.

Cita Chicago (17th ed.)

Paras, Edgardo Lardizabal, i Edgardo C. Paras. Agency, Sales and Credit Transactions. Manila: Rex Book Store, 1991.

Cita MLA (9th ed.)

Paras, Edgardo Lardizabal, i Edgardo C. Paras. Agency, Sales and Credit Transactions. Rex Book Store, 1991.