Haeckel, E. Freedom in Science and Teaching. from the German of Ernst Haeckel.
Chicagoスタイル(17版)引用形式Haeckel, Ernst. Freedom in Science and Teaching. from the German of Ernst Haeckel.
MLA(9版)引用形式Haeckel, Ernst. Freedom in Science and Teaching. from the German of Ernst Haeckel.
警告: この引用は必ずしも正確ではありません.