Writing English | The International Language of Business
Secrets of Writing Good Essays - English Language …
You can sign using your own language, but do remember to write your name clearly underneath your signature using English letters.
If you are writing about business in an e-mail, the style used is often less formal, although you can follow the formal rules above if you wish.
10 Simple Tips for Writing Essays in English | FluentU English
Writing the letter by hand may be better to write by hand in some less formal situations, for example if you are applying for a part-time job in a shop or if you want to be an au pair and are writing to the children's parents.
At the top of the letter, write your address (using English letters) on the right hand side.