Simon, N. (1993). The Guinness guide to nature in danger: Threatened habitats and species. Guinness Publishing.
Chicagoスタイル(17版)引用形式Simon, Noel. The Guinness Guide to Nature in Danger: Threatened Habitats and Species. London, Middlesex, Eng: Guinness Publishing, 1993.
MLA(9版)引用形式Simon, Noel. The Guinness Guide to Nature in Danger: Threatened Habitats and Species. Guinness Publishing, 1993.
警告: この引用は必ずしも正確ではありません.