Ermolenko, N., & J. Schmorak. (1966). Trace Elements and Colloids in Soils (2nd.). Nauka I tekhnika.
Chicago Style aipamenaErmolenko, N.F, and J. Schmorak. Trace Elements and Colloids in Soils. 2nd. Minsk: Nauka I tekhnika, 1966.
MLA aipamenaErmolenko, N.F, and J. Schmorak. Trace Elements and Colloids in Soils. 2nd. Nauka I tekhnika, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.