Schell, E. H. (1951). Technique of administration: Administrative proficiency in business. McGraw-Hill.
Chicago-referens (17:e uppl.)Schell, Erwin Haskell. Technique of Administration: Administrative Proficiency in Business. New York: McGraw-Hill, 1951.
MLA-referens (9:e uppl.)Schell, Erwin Haskell. Technique of Administration: Administrative Proficiency in Business. McGraw-Hill, 1951.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.