Spero, S. D. (1972). Government as employer: Forew. by Albert A.Blum. Southern Ill. Univ. Press.
Chicago-Zitierstil (17. Ausg.)Spero, Sterling D. Government as Employer: Forew. by Albert A.Blum. Carbondale, Ill: Southern Ill. Univ. Press, 1972.
MLA-Zitierstil (9. Ausg.)Spero, Sterling D. Government as Employer: Forew. by Albert A.Blum. Southern Ill. Univ. Press, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.