TY  - BOOK
AU  - McKenna,Joseph P.
TI  - A handbook of price theory
T2  - Principles of economics series
SN  - 0030786509
U1  - 338.521 McK/H 
PY  - 1972///
CY  - . - New York
PB  - : Holt, Rinehart and Winston
KW  - Prices
ER  -