Beauchamp, W. L. (1951). Science Problems for junior High School 1. Chicago: Scott, Foresman and Company.
シカゴスタイル引用形Beauchamp, Wilbur L. Science Problems for Junior High School 1. Chicago: Scott, Foresman and Company, 1951.
MLA引用形式Beauchamp, Wilbur L. Science Problems for Junior High School 1. Chicago: Scott, Foresman and Company, 1951.
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