User:RexxS/Diving certification

When you edited List of diver certification organizations, you will have seen the following notice:

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* Please don't add entries to this list unless they have        *
* a citation to an independent reliable source.                 *
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* See the discussion at:                                        *
* [[Talk:List of diver certification organizations #Citations]] *
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Did you have a difficulty in understanding 'citation'? If so, there's a page to help you at Help:Citation.