Asimov, I. (1991). Our angry earth. Tom Doherty Associates Inc.
Chicagoスタイル(17版)引用形式Asimov, Isaac. Our Angry Earth. New York: Tom Doherty Associates Inc, 1991.
MLA(9版)引用形式Asimov, Isaac. Our Angry Earth. Tom Doherty Associates Inc, 1991.
警告: この引用は必ずしも正確ではありません.