Copyright attribution
 | The following section is dedicated to the attribution of text which is copyrighted under a compatible license. All attribution must be done in accordance with the policy on the usage of copyrighted material. This template and section must never be removed. |
| Diff with Taken Content | Content Source | Was Content Modified? | Usage Rationale |
|---|---|---|---|
| [1] | col | No, the content has not been changed. | This work was taken from Wikipedia, and thus is released under the Creative Commons Attribution-ShareAlike 3.0 License. |