APA stil citiranja
Fensel, D. (2000). Problem solving methods: Problem solving methods : understanding, description, development, and reuse. Berlin ; New York: Springer.
Chicago stil citiranjaFensel, Dieter. Problem solving methods: Problem solving methods : understanding, description, development, and reuse. Berlin ; New York: Springer, 2000.
MLA stil citiranjaFensel, Dieter. Problem solving methods: Problem solving methods : understanding, description, development, and reuse. Berlin ; New York: Springer, 2000.
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