Costa, L. C. (2006). Personal strivings, spirituality and academic achievement.
Čikaški stil citiranja (17. izdanje)Costa, Liza C. Personal Strivings, Spirituality and Academic Achievement. 2006.
MLA način citiranja (9. izdanje)Costa, Liza C. Personal Strivings, Spirituality and Academic Achievement. 2006.
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