APA

Richards J., Platt J. & Platt H. (1999). Longman Dictionary of Language Teaching & Applied Linguistics. : Longman.

Chicago

Richards J, Platt J and Platt H. 1999. Longman Dictionary of Language Teaching & Applied Linguistics. : Longman.

Harvard

Richards J., Platt J. and Platt H. (1999). Longman Dictionary of Language Teaching & Applied Linguistics. : Longman.

MLA

Richards J, Platt J and Platt H. Longman Dictionary of Language Teaching & Applied Linguistics. : Longman. 1999.