Russian Journal of Education and Psychology | Science and Innovation Center Publishing House. Cambridge University Press.
Čikaški stil citiranja (17. izdanje)Russian Journal of Education and Psychology | Science and Innovation Center Publishing House. Cambridge University Press.
MLA način citiranja (8. izdanje)Russian Journal of Education and Psychology | Science and Innovation Center Publishing House. Cambridge University Press.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.