IXth International Conference on AIDS, International Conference on AIDS, & STD World Congress. (1993). Abstracts: IXth International Conference on AIDS in affiliation with the IVth STD World Congress / under the patronage of the Bundespräsident der Bundesrepublik Deutschland Richard von Weizsäcker. Institute for Clinical and Experimental Virology of the Free University of Berlin.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)IXth International Conference on AIDS, International Conference on AIDS, و STD World Congress. Abstracts: IXth International Conference on AIDS in Affiliation with the IVth STD World Congress / Under the Patronage of the Bundespräsident Der Bundesrepublik Deutschland Richard Von Weizsäcker. Berlin: Institute for Clinical and Experimental Virology of the Free University of Berlin, 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)IXth International Conference on AIDS, et al. Abstracts: IXth International Conference on AIDS in Affiliation with the IVth STD World Congress / Under the Patronage of the Bundespräsident Der Bundesrepublik Deutschland Richard Von Weizsäcker. Institute for Clinical and Experimental Virology of the Free University of Berlin, 1993.