MCBURNEY DONALD H. (2002). RESEARCH METHODS (5TH.). THOMSON.
Chicago-čujuhus (17. p.)MCBURNEY DONALD H. RESEARCH METHODS. 5TH. AUSTRALIA: THOMSON, 2002.
MLA-čujuhus (9. p.)MCBURNEY DONALD H. RESEARCH METHODS. 5TH. THOMSON, 2002.
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