TY  - BOOK
AU  - Walter, Thompson
TI  - Population and its distribution: the United States markets 
AV  - HF 5415 P66.1961
PY  - 1961///
CY  - New York
PB  - McGraw-Hill
KW  - Mercadotecnia
KW  - Estados Unidos
KW  - Mercados -
ER  -