Gaya APA
Lewin, M, E. (1986).
From Reseatch Into Policy .
WASHINGTON, D.C.:
AMERICAN ENTERPRISE INSTITUTE FOR PUBLIC POLICY RE.
Gaya MLA
Lewin, Marion, Ein.
"From Reseatch Into Policy".
WASHINGTON, D.C.:
AMERICAN ENTERPRISE INSTITUTE FOR PUBLIC POLICY RE,
1986.
UMUM.