Não informado. (1972). Ambio Special Report. Royal Swedish Academy of Sciences.
Chicagoスタイル(17版)引用形式Não informado. Ambio Special Report. Stockholm: Royal Swedish Academy of Sciences, 1972.
MLA(8版)引用形式Não informado. Ambio Special Report. Royal Swedish Academy of Sciences, 1972.
警告: この引用は必ずしも正確ではありません.