Cita APA (7a ed.)
Sakwa, R. Frontline Ukraine: Crisis in the Borderlands. I.B. Tauris.
Cita estilo Chicago (17a ed.)
Sakwa, Richard. Frontline Ukraine: Crisis in the Borderlands. Londres, Inglaterra: I.B. Tauris.
Cita MLA (9a ed.)
Sakwa, Richard. Frontline Ukraine: Crisis in the Borderlands. I.B. Tauris.
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