Cita APA

De Leon, H. S., & De Leon, H. M. (2013). The law on sales, agency, and credit transactions (2013 ed.). Rex Book Store.

Citación estilo Chicago

De Leon, Hector S., and Hector M. De Leon. The Law on Sales, Agency, and Credit Transactions. 2013 ed. Manila: Rex Book Store, 2013.

Cita MLA

De Leon, Hector S., and Hector M. De Leon. The Law on Sales, Agency, and Credit Transactions. 2013 ed. Rex Book Store, 2013.