TY  - BOOK
AU  - Lazer William
TI  - Marketing management:  A system perspective   
T2  - Wiley Marketing Series. Ed by William Lazer
SN  - 0471519855
U1  - X:51-8, L1 
PY  - 1971///
CY  - NY
PB  - Wiley          
KW  - Marketing
ER  -