TY  - BOOK
AU  - Riso, Don Richard
TI  - Understanding the Enneagram: the practical guide to personality types
SN  - 0-395-52148-3
U1  - CIR  155.26 R4 1990 
PY  - 1990///
CY  - Boston
PB  - Houghton Mifflin Company
ER  -