APA Style

Kleinert, J. (2015). 2 billion under 20 : how millennials are breaking down age bariers and changing the world . New York: ST. Martin\'s Press.

MLA Style

Kleinert, Jared.. "2 billion under 20 : how millennials are breaking down age bariers and changing the world". New York: ST. Martin\'s Press, 2015. Koleksi Buku Teks.