एपीए उद्धरण

R Gopi. Russian for Short Term Courses. Department of Russian University of Kerala.

शिकागो स्टाइल उद्धरण

R Gopi. Russian for Short Term Courses. Trivandrum: Department of Russian University of Kerala.

एमएलए उद्धरण

R Gopi. Russian for Short Term Courses. Department of Russian University of Kerala.