Paras, E. L., & Paras, E. C. (1991). Agency, sales and credit transactions. Rex Book Store.
芝加哥风格引文Paras, Edgardo Lardizabal, 与 Edgardo C. Paras. Agency, Sales and Credit Transactions. Manila: Rex Book Store, 1991.
MLA引文Paras, Edgardo Lardizabal, 与 Edgardo C. Paras. Agency, Sales and Credit Transactions. Rex Book Store, 1991.
警告：这些引文格式不一定是100％准确.