TY  - BOOK
AU  - Whitaker, Gilbert R
AU  - Colberg, Marshall R
TI  - Business economics: principles and cases (6th ed.)
AV  - HD 30.22 Col 
PY  - 1981///
CY  - Homewood
PB  - Irwin
KW  - BUSINESS
KW  - BUSINESS ECONOMICS
ER  -