APA

Deller S., . (1992). Vista. Teacher's Book. Oxford: Heinemann.

Chicago

Deller S, . 1992. Vista. Teacher's Book. Oxford: Heinemann.

Harvard

Deller S., . (1992). Vista. Teacher's Book. Oxford: Heinemann.

MLA

Deller S, . Vista. Teacher's Book. Oxford: Heinemann. 1992.