Institut problem osvoeni︠i︡a Severa (Akademi︠i︡a nauk SSSR), Melʹnikov, V. P., & Nekrasov, I. A. (1988). Metodika i tekhnika geokriologicheskikh issledovaniĭ: Sbornik nauchnykh trudov. "Nauka," Sibirskoe otd-nie.
Lua i Stíl Chicago (17ú heag.)Institut problem osvoeni︠i︡a Severa (Akademi︠i︡a nauk SSSR), V. P. Melʹnikov, agus Igorʹ Aleksandrovich Nekrasov. Metodika I Tekhnika Geokriologicheskikh Issledovaniĭ: Sbornik Nauchnykh Trudov. Novosibirsk: "Nauka," Sibirskoe otd-nie, 1988.
Lua MLA (8ú heag.)Institut problem osvoeni︠i︡a Severa (Akademi︠i︡a nauk SSSR), et al. Metodika I Tekhnika Geokriologicheskikh Issledovaniĭ: Sbornik Nauchnykh Trudov. "Nauka," Sibirskoe otd-nie, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.