David Sedik. (2003). Food security in the Russian federation. Rome, Italy: FAO.
Chicago Style aipamenaDavid Sedik. Food Security in the Russian Federation. Rome, Italy: FAO, 2003.
MLA aipamenaDavid Sedik. Food Security in the Russian Federation. Rome, Italy: FAO, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.