Dyfyniad APA
Duckworth, M., & Turner, R. (2016). Business result: Upper - intermediate : Student's book (1a. ed.). Oxford University Press.
Dyfyniad Arddull Chicago
Duckworth, Michael, and Rebeca Turner. Business Result: Upper - Intermediate : Student's Book. 1a. ed. Buenos Aires: Oxford University Press, 2016.
Dyfyniad MLA
Duckworth, Michael, and Rebeca Turner. Business Result: Upper - Intermediate : Student's Book. 1a. ed. Oxford University Press, 2016.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.