APA-referens

Ermolenko, N., & J. Schmorak. (1966). Trace Elements and Colloids in Soils (2nd.). Nauka I tekhnika.

Chicago-stil citat

Ermolenko, N.F, och J. Schmorak. Trace Elements and Colloids in Soils. 2nd. Minsk: Nauka I tekhnika, 1966.

MLA-referens

Ermolenko, N.F, och J. Schmorak. Trace Elements and Colloids in Soils. 2nd. Nauka I tekhnika, 1966.