Style de citation APA

Tim. (1979). Writing letters in English a practical guide. HK.: Oxford university press.

Style de citation Chicago

Tim. Writing Letters in English a Practical Guide. HK.: Oxford university press, 1979.

Style de citation MLA

Tim. Writing Letters in English a Practical Guide. HK.: Oxford university press, 1979.

Attention : ces citations peuvent ne pas être correctes à 100%.