Vseso︠i︡uznyĭ institut nauchnoĭ i tekhnicheskoĭ informa︠t︡sii (Soviet Union) & Belov, N. V. (1980). Problemy kristallokhimii silikatov. [s.n.].
Dyfyniad Arddull ChicagoVseso︠i︡uznyĭ institut nauchnoĭ i tekhnicheskoĭ informa︠t︡sii (Soviet Union) and N. V. Belov. Problemy Kristallokhimii Silikatov. Moskva: [s.n.], 1980.
Dyfyniad MLAVseso︠i︡uznyĭ institut nauchnoĭ i tekhnicheskoĭ informa︠t︡sii (Soviet Union) and N. V. Belov. Problemy Kristallokhimii Silikatov. [s.n.], 1980.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.