TY  - BOOK
AU  - Spengler,EduinH.
AU  - Klien,Jacob
TI  - Introduction to business
U1  - 381.34 
PY  - 1955///
CY  - London
PB  - Mcgrawhill
KW  - Commerce
KW  - Internal Commerce
KW  - business
N1  - with index
ER  -