APA استشهاد

Dobson, P. (1989). Sale of goods and consumer credit (4th ed.). Sweet & maxwell.

استشهاد بنمط شيكاغو

Dobson, Paul. Sale of Goods and Consumer Credit. 4th ed. London: Sweet & maxwell, 1989.

MLA استشهاد

Dobson, Paul. Sale of Goods and Consumer Credit. 4th ed. Sweet & maxwell, 1989.