Dyfyniad APA
Da Costa, G. C. (2010). International trade and payments (Rev. ed.). Himalaya Pub. House.
Dyfyniad Arddull Chicago
Da Costa, Genaro C. International Trade and Payments. Rev. ed. Mumbai: Himalaya Pub. House, 2010.
Dyfyniad MLA
Da Costa, Genaro C. International Trade and Payments. Rev. ed. Himalaya Pub. House, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.