TY  - GEN
AU  - HEINRITZ,  S . F .
AU  - FARRELL, P .V .
TI  - Purchasing: Principles and Applications
SN  - 0-13-742163-X
U1  - 658.72 HEI 
PY  - 1981///
CY  - Englewood Cliffs, N . J
PB  - Prentice-Hall
ER  -