APA

Kahn J. E. (., . (1993). How to write and speak better. London: The Reader,s Digest Association Limited.

Chicago

Kahn John Ellison (ed.), . 1993. How to write and speak better. London: The Reader,s Digest Association Limited.

Harvard

Kahn J. E. (., . (1993). How to write and speak better. London: The Reader,s Digest Association Limited.

MLA

Kahn John Ellison (ed.), . How to write and speak better. London: The Reader,s Digest Association Limited. 1993.