Institut biologicheskikh problem Severa (Akademi︠i︡a nauk SSSR), Pastukhov, ︠. F., & Chaplygina, S. R. (1977). Mekhanizmy zimneĭ sp︠i︡achki mlekopita︠i︡ushchikh. DVN︠T︡S AN SSSR.
Dyfyniad Arddull ChicagoInstitut biologicheskikh problem Severa (Akademi︠i︡a nauk SSSR), ︠I︡U. F. Pastukhov, and S. R. Chaplygina. Mekhanizmy Zimneĭ Sp︠i︡achki Mlekopita︠i︡ushchikh. Vladivostok: DVN︠T︡S AN SSSR, 1977.
Dyfyniad MLAInstitut biologicheskikh problem Severa (Akademi︠i︡a nauk SSSR), et al. Mekhanizmy Zimneĭ Sp︠i︡achki Mlekopita︠i︡ushchikh. DVN︠T︡S AN SSSR, 1977.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.