Source: https://www.amazon.com/Getting-Through-Parents-Divorce-Alienation/dp/1626251363/ref=as_li_ss_tl?s=books&ie=UTF8&qid=1447896582&sr=1-3&linkCode=sl1&tag=msccomputersy-20&linkId=a2e93a4d4a91378cb55f090b7ecbe77a