Alexey Popov. (2018). IB Psychology Study Guide: Oxford IB Diploma Programme (Study Guide.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Alexey Popov. IB Psychology Study Guide: Oxford IB Diploma Programme. Study Guide. Oxford University Press, 2018.
Lua MLA (9ú heag.)Alexey Popov. IB Psychology Study Guide: Oxford IB Diploma Programme. Study Guide. Oxford University Press, 2018.
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