National Commitee for the defence of peace in the Socialist Republic of Romania. (1968). Information bulletin. Bucarest: National Committee for the defense of peace in the Socialist Republic of Romania.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNational Commitee for the defence of peace in the Socialist Republic of Romania. Information Bulletin. Bucarest: National Committee for the defense of peace in the Socialist Republic of Romania, 1968.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNational Commitee for the defence of peace in the Socialist Republic of Romania. Information Bulletin. Bucarest: National Committee for the defense of peace in the Socialist Republic of Romania, 1968.
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