APA

Trask R., . (2000). Dictionary of english grammar. : Penguin books.

Chicago

Trask R.L, . 2000. Dictionary of english grammar. : Penguin books.

Harvard

Trask R., . (2000). Dictionary of english grammar. : Penguin books.

MLA

Trask R.L, . Dictionary of english grammar. : Penguin books. 2000.