︠I︡Udovich, ︠. Ė., Ketris, M. P., & Perelʹman, A. I. (1988). Geokhimi︠i︡a chernykh slan︠t︡sev. "Nauka," Leningradskoe otd-nie.
Citación estilo Chicago︠I︡Udovich, ︠I︡Akov Ėlʹevich, M. P. Ketris, and A. I. Perelʹman. Geokhimi︠i︡a Chernykh Slan︠t︡sev. Leningrad: "Nauka," Leningradskoe otd-nie, 1988.
Cita MLA︠I︡Udovich, ︠I︡Akov Ėlʹevich, et al. Geokhimi︠i︡a Chernykh Slan︠t︡sev. "Nauka," Leningradskoe otd-nie, 1988.
Warning: These citations may not always be 100% accurate.