Roberts, L. W. (1974). Encyclopedia of minerals. Van Nostrand reinhold company.
シカゴスタイル引用形Roberts, Lincoln Willard. Encyclopedia of Minerals. New York: Van Nostrand reinhold company, 1974.
MLA引用形式Roberts, Lincoln Willard. Encyclopedia of Minerals. Van Nostrand reinhold company, 1974.
警告: この引用は必ずしも正確ではありません.