Vasilyen, M., & Stanyukovich, K. Matter and man. Peace Publishers.
Cita Chicago (17th ed.)Vasilyen, M., i K. Stanyukovich. Matter and Man. Moscow: Peace Publishers.
Cita MLA (9th ed.)Vasilyen, M., i K. Stanyukovich. Matter and Man. Peace Publishers.
Atenció: Aquestes cites poden no estar 100% correctes.