Barnes, Ralph M. (Ralph Mosser)
Work sampling
John Wiley & Sons, 1961
 Buku Teks
Allen, Robert E.
Contemporary labor relations / Robert E. Allen and Timoty J. Keaveny
Mass Addison-Wesley , 1983
 Buku Teks
Hogins, J. Burl
Language introductory reader / J. Burl Hogins; Robert E. Yarber
Harper & Row, 1969
 Buku Teks
Richardon, William J.
Heidegger: through phenomenology to thought / William J. Richardson
Fordham University Press, 2003
 Buku Teks
Wallace, Michael J.
Action research for language teachers / Michael J. Wallace
Cambridge University Press, 2004
 Buku Teks