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Citing internal sources

Faculties: AC, AMP, AR, BI, BW, D, EFI, IN, MB/VS, SOH, SW, VT, WT

Usually, only publicly accessible sources are listed. Here you can learn how to deal with internal sources.

Content

Common procedure

As a general rule, only publicly accessible sources should be listed in a bibliography. Internal company sources would not usually be included. However, such sources may still be cited. You have several options:

  • You can simply list the sources in the bibliography and add a note in square brackets indicating that the source is only internally available, e.g.: [only available internally], [access restricted to intranet], or [not publicly accessible].
  • If there are more than ten, you can create a separate list of internal documents in the appendix.
  • You can attach the internal documents in the appendix. This should be discussed with the company if necessary.

Suggestions in case of uncertainty

If the information from non-public sources is crucial or extensive, it’s a good idea to talk to your professors about how to handle it.

You can find more on this at: Scribbr

Frequently asked questions

What is the best way to cite internal sources?

For example, in the bibliography, marked with square brackets. Another option is a separate list in the appendix, or – with the company’s consent – attaching the documents in the appendix.

Who should I consult if I have further questions?

Discuss further steps with your supervisor.

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