> 
예스24
http://blog.yes24.com/document/1068441
http://blog.yes24.com/document/1068443
인터파크
http://book.interpark.com/blog/dudn666/267898
http://book.interpark.com/blog/dudn666/267902
알라딘
http://blog.aladdin.co.kr/774187186/2261098
http://blog.aladdin.co.kr/774187186/2261100
