TY  - BOOK
AU  - Kotler,Philip, Armstronog, Gary
AU  - x
TI  - Principles of marketing: x
SN  - 0137216890
U1  - 658.8/K87p 
PY  - 1991///
CY  - London
PB  - Prentice-Hall
KW  - Marketing
N1  - Includes
ER  -