Do not hide the choice of language in the drop-down menu!
More often a gross error occurs: the language switch is hidden in the drop-down menu, leaving only the current self-name. Not every visitor who finds himself in, for example, the Albanian version, will find the way to the native interface by clicking on the word "Shqip". Not to mention languages with unfamiliar script. Do not understand and leave.
A few examples will eliminate the accusations of unfounded.
Last.fm ')
Mozilla
Twitter These guys hid the most important thing on the main page: the login form, popular topics, and the choice of language itself.
Of course, this vicious approach sometimes saves valuable space at the top of the page. As a compromise: leave the drop-down menu in place and duplicate it in the list below. The abbreviated names of languages, by the way, do not occupy too much space.