Spencer, E. W. (1969). Introduction to the structure of the earth. McGraw-Hill.
シカゴスタイル引用形Spencer, Edgar W. Introduction to the Structure of the Earth. New York: McGraw-Hill, 1969.
MLA引用形式Spencer, Edgar W. Introduction to the Structure of the Earth. McGraw-Hill, 1969.
警告: この引用は必ずしも正確ではありません.