Warner, V. (1983). Russian for english speaking learners. Moscow.
Cita Chicago Style (17a ed.)Warner, V.N. Russian for English Speaking Learners. Rusia: Moscow, 1983.
Cita MLA (9a ed.)Warner, V.N. Russian for English Speaking Learners. Moscow, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.