Não informado. (1980). Ecology Abstracts. Cambridge Scientific Abstracts.
Chicagoスタイル(17版)引用形式Não informado. Ecology Abstracts. Bethesda, Md: Cambridge Scientific Abstracts, 1980.
MLA(8版)引用形式Não informado. Ecology Abstracts. Cambridge Scientific Abstracts, 1980.
警告: この引用は必ずしも正確ではありません.