APA

Duckworth M., Turner R., . (2017). Business Result: upper-intermediate. Student´s Book. Oxford: Oxford University Press.

Chicago

Duckworth Michael, Turner Rebecca, . 2017. Business Result: upper-intermediate. Student´s Book. Oxford: Oxford University Press.

Harvard

Duckworth M., Turner R., . (2017). Business Result: upper-intermediate. Student´s Book. Oxford: Oxford University Press.

MLA

Duckworth Michael, Turner Rebecca, . Business Result: upper-intermediate. Student´s Book. Oxford: Oxford University Press. 2017.