Artikel Jurnal
Thurow, Lester C., editor
Wadsworth, 1970
Buku Teks
edited by Kristian Bolin, Bojrn Lindgren, Michael Grossman, Dorte Gyrd-Hansen, Tor Iversen, Robert Kaestner, Jody L. Sindelar
Emerald, 2017
eBooks
Jakarta : Human Capital, 2005,
Majalah, Jurnal, Buletin
Giulia Mennillo, Thomas Schlenzig, Elmar Friedrich, editors
[Springer, Springer], 2012
eBooks