APA

Driscoll L., . (2005). Vocabulary in practice 6. Upper-Intermediate. : Cambridge University Press.

Chicago

Driscoll L, . 2005. Vocabulary in practice 6. Upper-Intermediate. : Cambridge University Press.

Harvard

Driscoll L., . (2005). Vocabulary in practice 6. Upper-Intermediate. : Cambridge University Press.

MLA

Driscoll L, . Vocabulary in practice 6. Upper-Intermediate. : Cambridge University Press. 2005.