Dahl, A. L. (1991). Island directory. UNEP.
芝加哥风格引文Dahl, Arthur L. Island Directory. [Nairobi]: UNEP, 1991.
MLA引文Dahl, Arthur L. Island Directory. UNEP, 1991.
警告:这些引文格式不一定是100%准确.
Dahl, A. L. (1991). Island directory. UNEP.
芝加哥风格引文Dahl, Arthur L. Island Directory. [Nairobi]: UNEP, 1991.
MLA引文Dahl, Arthur L. Island Directory. UNEP, 1991.