American Polish Chamber of Commerce and Industry. Poland: Journal of the American Polish Chamber of Commerce and Industry. American Polish Chamber of Commerce and Industry, Inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Polish Chamber of Commerce and Industry. Poland: Journal of the American Polish Chamber of Commerce and Industry. New York: American Polish Chamber of Commerce and Industry, Inc..
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)American Polish Chamber of Commerce and Industry. Poland: Journal of the American Polish Chamber of Commerce and Industry. American Polish Chamber of Commerce and Industry, Inc..
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