APA

Aspinall P., Bethell G., . (1998). Language in use. Intermediate. Cambridge: Cambridge University Press.

Chicago

Aspinall P, Bethell G, . 1998. Language in use. Intermediate. Cambridge: Cambridge University Press.

Harvard

Aspinall P., Bethell G., . (1998). Language in use. Intermediate. Cambridge: Cambridge University Press.

MLA

Aspinall P, Bethell G, . Language in use. Intermediate. Cambridge: Cambridge University Press. 1998.