Freeman, F. S. (1950). Theory and pratice of psychological lesting/3e (3rd ed.). Oxford &IBH publishing company.
Čikaški stil citiranjaFreeman, Frank S. Theory and Pratice of Psychological Lesting/3e. 3rd ed. Bombay: Oxford &IBH publishing company, 1950.
MLA način citiranjaFreeman, Frank S. Theory and Pratice of Psychological Lesting/3e. 3rd ed. Oxford &IBH publishing company, 1950.
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