Nichamkin, H. (1963). Problems in inorganic chemistry Q. Van Nostrand.
Lua i Stíl Chicago (17ú heag.)Nichamkin, H. Problems in Inorganic Chemistry Q. New Jersey: Van Nostrand, 1963.
Lua MLA (9ú heag.)Nichamkin, H. Problems in Inorganic Chemistry Q. Van Nostrand, 1963.
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