Sorsa, P. (1994). Regional integration and the Baltics: Which way? World Bank.
芝加哥风格引文Sorsa, Piritta. Regional Integration and the Baltics: Which Way? Washington, D.C: World Bank, 1994.
MLA引文Sorsa, Piritta. Regional Integration and the Baltics: Which Way? World Bank, 1994.
警告：这些引文格式不一定是100％准确.