APA

Dexter C., Collins A., . (2000). The Silent World of Nicholas Quinn. Oxford: Heinemann ELT.

Chicago

Dexter C, Collins A, . 2000. The Silent World of Nicholas Quinn. Oxford: Heinemann ELT.

Harvard

Dexter C., Collins A., . (2000). The Silent World of Nicholas Quinn. Oxford: Heinemann ELT.

MLA

Dexter C, Collins A, . The Silent World of Nicholas Quinn. Oxford: Heinemann ELT. 2000.