Bernards, N. (1991). The Environmental crisis--opposing viewpoints. Greenhaven Press.
Chicagoスタイル(17版)引用形式Bernards, Neal. The Environmental Crisis--opposing Viewpoints. San Diego, CA: Greenhaven Press, 1991.
MLA(8版)引用形式Bernards, Neal. The Environmental Crisis--opposing Viewpoints. Greenhaven Press, 1991.
警告: この引用は必ずしも正確ではありません.