APA

Biber D., Johansson S., Leech G., Conrad S. & Finegan E. (2000). Longman Grammar of Spoken and Written English. : Longman.

Chicago

Biber D, Johansson S, Leech G, Conrad S and Finegan E. 2000. Longman Grammar of Spoken and Written English. : Longman.

Harvard

Biber D., Johansson S., Leech G., Conrad S. and Finegan E. (2000). Longman Grammar of Spoken and Written English. : Longman.

MLA

Biber D, Johansson S, Leech G, Conrad S and Finegan E. Longman Grammar of Spoken and Written English. : Longman. 2000.