Gaya APA
Schmacltz, L, W., Swanson, C, P. ().
**Scientific psychology and social concern .
New:
New York: Harper Row; 1971.
Gaya MLA
Schmacltz, Leonard, W., Swanson, Carl, P..
"**Scientific psychology and social concern".
New:
New York: Harper Row; 1971,
.
Text.