TY  - GEN
AU  - Young,George
AU  - Cooper,Chris
TI  - Tourism: principles and practice 
SN  - 0273601180 (pbk.)
AV  - G155.A1 
PY  - 1973///
CY  - London
PB  - Penguin books
KW  - Tourism
N1  - Includes bibliographical references and index
ER  -