Spencer, E. G. (1984). Management and labor in imperial Germany: Ruhr industrialists as employers, 1896 - 1914. Rutgers Univ. Pr.
Chicago-Zitierstil (17. Ausg.)Spencer, Elaine Glovka. Management and Labor in Imperial Germany: Ruhr Industrialists as Employers, 1896 - 1914. New Brunswick, NJ: Rutgers Univ. Pr, 1984.
MLA-Zitierstil (9. Ausg.)Spencer, Elaine Glovka. Management and Labor in Imperial Germany: Ruhr Industrialists as Employers, 1896 - 1914. Rutgers Univ. Pr, 1984.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.