Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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