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دليل المستخدم
Blix، H. (1975). The Helsinki Declaration On Principles Guiding Relations Between States In Europe The Need For Statements Of Basic Principles Of State Conduct. المجلة المصرية للقانون الدولي، مج31 ، 1 - 15. مسترجع من http://search.mandumah.com/Record/679642
Blix، Hans. "The Helsinki Declaration On Principles Guiding Relations Between States In Europe The Need For Statements Of Basic Principles Of State Conduct." المجلة المصرية للقانون الدولي مج31 (1975): 1 - 15. مسترجع من http://search.mandumah.com/Record/679642