American Academy of Political and Social Science & Ulan, M. (1991). Foreign investment in the United States. Sage.
Chicago-viite (17. p.)American Academy of Political and Social Science ja Michael Ulan. Foreign Investment in the United States. Newbury Park, California: Sage, 1991.
MLA-viite (9. p.)American Academy of Political and Social Science ja Michael Ulan. Foreign Investment in the United States. Sage, 1991.
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