Less formal contact over LinkedIn, for example, may not include even that. However, reference notation is still valuable in certain lines of work where traditional formal correspondence is ...

Example: Bank of America Corporation (BAC ... and interviews with industry experts. We also reference original research from other reputable publishers where appropriate. You can learn more ...

Just think, for example, how often we hear things like ... shaping a decision may be influenced by their cultural frame of reference. In some cultures, it is not appropriate to be frank about ...