"An Overview of Growing Income Inequalities in OECD Countries: Main Findings" (PDF), Divided We Stand: Why Inequality Keeps Growing, OECD Publishing, December 2011, ISBN 978-92-64-11163-9, retrieved 6 December 2011. This book released with two titles, depending on country of publication.
2015년 4월 2일에 원본 문서에서 보존된 문서.  〈An Overview of Growing Income Inequalities in OECD Countries: Main Findings〉 (PDF), 《Divided We Stand: Why Inequality Keeps Growing》, OECD Publishing, December 2011, ISBN 978-92-64-11163-9, 2011년 12월 6일에 확인함. This book released with two titles, depending on country of publication.