제목: small changes, big results krieger

저자: Ellie Krieger, Kelly James-Enger

출판사: Clarkson Potter

First Edition edition (February 22, 2005)

 

https://www.amazon.com/Small-Changes-Big-Results-12-Week/dp/1400051029/ref=sr_1_2?s=books&ie=UTF8&qid=1535254705&sr=1-2&keywords=small+changes%2C+big+results+krieger