Given a DOI number (for a journal manuscript for instance) one can link to this DOI in a word document for example or in an HTML page by invoking the following
Try this for example
The DOI, or Digital Object Identifier system, is a systematic way of identifying digital resources in a rather permanent way. It is a neat way for tracking and managing digital resources in an absolute reference manner. So, for example, if you want to link to a journal paper, you can either use the permalink for that specific paper or simply link to the DOI. In theory, no matter what happens, the DOI number will always locate that paper.