Happiness: Journal of Psychology and Islamic Science | Institut Agama Islam Negeri Kediri, Indonesia. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Happiness: Journal of Psychology and Islamic Science | Institut Agama Islam Negeri Kediri, Indonesia. Cambridge University Press.
MLA način citiranja (9. izdanje)Happiness: Journal of Psychology and Islamic Science | Institut Agama Islam Negeri Kediri, Indonesia. Cambridge University Press.
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