Nummikoski, M. (1996). Troika: A communicative approach to Russian language, life, and culture. Wiley & Sons.
Cita Chicago Style (17a ed.)Nummikoski, Marita. Troika: A Communicative Approach to Russian Language, Life, and Culture. New York [etc.]: Wiley & Sons, 1996.
Cita MLA (9a ed.)Nummikoski, Marita. Troika: A Communicative Approach to Russian Language, Life, and Culture. Wiley & Sons, 1996.
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