TY  - BOOK
AU  - Armstrong Gary
AU  -  Kotler Philip
TI  - Principles of marketing
SN  - 8120318390
U1  - X:51, M0;P1/TD 
PY  - 2001///
CY  -  New Delhi 
PB  - Prentice-Hall         
KW  -  Economics
KW  - Marketing
N1  - Appendix: At the end
ER  -