ebrary, Inc, Hale, D., & Hale, L. (2011). What's next?: Unconventional wisdom on the future of the world economy. Yale University Press.
Chicago-referens (17:e uppl.)ebrary, Inc, David Hale, och Lyric Hale. What's Next?: Unconventional Wisdom on the Future of the World Economy. New Haven [Conn.]: Yale University Press, 2011.
MLA-referens (9:e uppl.)ebrary, Inc, et al. What's Next?: Unconventional Wisdom on the Future of the World Economy. Yale University Press, 2011.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.