SpringerLink (Online service) & O'Grady, G. (2012). One-day, one-problem: An approach to problem-based learning. Springer Singapore.
Čikaški stil citiranja (17. izdanje)SpringerLink (Online service) i Glen O'Grady. One-day, One-problem: An Approach to Problem-based Learning. Singapore: Springer Singapore, 2012.
MLA način citiranja (8. izdanje)SpringerLink (Online service) i Glen O'Grady. One-day, One-problem: An Approach to Problem-based Learning. Springer Singapore, 2012.
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