TY  - RPRT
TI  - Internal-External scale correlated with Edwards Personal Preference Schedule.
AU  - W M Becker
PY  - 1974
DO  - 10.2466/pr0.1974.35.3.1182
UR  - https://pubmed.ncbi.nlm.nih.gov/4445431/
ID  - 4445431
ER  -