TY  - BOOK
AU  - Koontz,Harold
AU  - O'Donnell,Cyril
TI  - Principles of management: an analysis of managerial functions 
SN  - 0070353328
PY  - 1972///
CY  - New York
PB  - McGraw-Hill
KW  - Industrial management
N1  - Sixth ed. published under title: Management: a systems and contingency analysis of managerial functions; p. 712-724
ER  -