KLAVENS, J. Foreign direct invesment and environment in central and eastern Europe a survey: A report the environment action programme for Central and Eastern Europe. The World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)KLAVENS, Jonathan. Foreign Direct Invesment and Environment in Central and Eastern Europe a Survey: A Report the Environment Action Programme for Central and Eastern Europe. The World Bank.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)KLAVENS, Jonathan. Foreign Direct Invesment and Environment in Central and Eastern Europe a Survey: A Report the Environment Action Programme for Central and Eastern Europe. The World Bank.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.