APA (7e ed.) Bronvermelding

Tkachev, ︠. A., & ︠I︡Udovich, ︠. Ė. (1975). Statisticheska︠i︡a obrabotka geokhimicheskikh dannykh: Metody i problemy. Nauka, Leningradskoe otd-nie.

Chicago (17e ed.) Bronvermelding

Tkachev, ︠I︡U. A., en ︠I︡Akov Ėlʹevich ︠I︡Udovich. Statisticheska︠i︡a Obrabotka Geokhimicheskikh Dannykh: Metody I Problemy. Leningrad: Nauka, Leningradskoe otd-nie, 1975.

MLA (8e ed.) Bronvermelding

Tkachev, ︠I︡U. A., en ︠I︡Akov Ėlʹevich ︠I︡Udovich. Statisticheska︠i︡a Obrabotka Geokhimicheskikh Dannykh: Metody I Problemy. Nauka, Leningradskoe otd-nie, 1975.