Ermolenko, N., & J. Schmorak. (1966). Trace Elements and Colloids in Soils (2nd.). Nauka I tekhnika.
Čikaški stil citiranjaErmolenko, N.F, i J. Schmorak. Trace Elements and Colloids in Soils. 2nd. Minsk: Nauka I tekhnika, 1966.
MLA način citiranjaErmolenko, N.F, i J. Schmorak. Trace Elements and Colloids in Soils. 2nd. Nauka I tekhnika, 1966.
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