APA-čujuhus (7. p.)
Tkacheva, O. (2013). Internet freedom & political space. RAND Corporation.
Chicago-čujuhus (17. p.)
Tkacheva, Olesya. Internet Freedom & Political Space. Santa Monica: RAND Corporation, 2013.
MLA-čujuhus (9. p.)
Tkacheva, Olesya. Internet Freedom & Political Space. RAND Corporation, 2013.
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