Encyclopedia of positive psychology
Shane J. Lopez · Blackwell Pub. · 2009
Wikipedia
{{cite book |last=Lopez |first=Shane J. |title=Encyclopedia of positive psychology |publisher=Blackwell Pub. |year=2009 |isbn=9781405161251}}
Shane J. Lopez · Blackwell Pub. · 2009
{{cite book |last=Lopez |first=Shane J. |title=Encyclopedia of positive psychology |publisher=Blackwell Pub. |year=2009 |isbn=9781405161251}}