TY  - BOOK
AU  - Phillips,Charles F.
AU  - Duncan,Delbert J.
TI  - Marketing: principles and methods 
U1  - 658.8 
PY  - 1956///
PY  - 1958///]
CY  - Homewood, Ill.
PB  - R. D. Irwin
KW  - Marketing
N1  - Includes bibliographies
ER  -