Crook, S. R., & Evans, G. W. (2013). The Role of Planning Skills in the Income-Achievement Gap.
Čikaški stil citiranjaCrook, Stephen R., i Gary W. Evans. The Role of Planning Skills in the Income-Achievement Gap. 2013.
MLA način citiranjaCrook, Stephen R., i Gary W. Evans. The Role of Planning Skills in the Income-Achievement Gap. 2013.
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