United Nations Environment Programme. Mediterranean Action Plan. (1996). The state of the marine and coastal environment in the Mediterranean region. UNEP.
芝加哥风格引文United Nations Environment Programme. Mediterranean Action Plan. The State of the Marine and Coastal Environment in the Mediterranean Region. Athens: UNEP, 1996.
MLA引文United Nations Environment Programme. Mediterranean Action Plan. The State of the Marine and Coastal Environment in the Mediterranean Region. UNEP, 1996.
警告：这些引文格式不一定是100％准确.