How to Get skin url in magento admin panel cms page

In frontend to calll skin url we write
<?php echo $this->getSkinUrl('');?>
To call Skin Url in Magento admin panel you have to write
<img src="{{skin url='images/your-image-name'}}" alt="">
{{skin url='images/your-image-name'}}
You can write css/style.css to call style.css in your theme