BURNFORD , H. (1995). QUESTIONS AND ANSWERS PLANET EARTH.
Chicagoスタイル(17版)引用形式BURNFORD , HELEN. QUESTIONS AND ANSWERS PLANET EARTH. 1995.
MLA(9版)引用形式BURNFORD , HELEN. QUESTIONS AND ANSWERS PLANET EARTH. 1995.
警告: この引用は必ずしも正確ではありません.
BURNFORD , H. (1995). QUESTIONS AND ANSWERS PLANET EARTH.
Chicagoスタイル(17版)引用形式BURNFORD , HELEN. QUESTIONS AND ANSWERS PLANET EARTH. 1995.
MLA(9版)引用形式BURNFORD , HELEN. QUESTIONS AND ANSWERS PLANET EARTH. 1995.