Dutch Foundation of Sexually Transmitted Diseases Control & Paalman, M. E. M. (1990). Promoting safer sex: Prevention of sexual transmission of AIDS and other STD ; proceedings of an international workshop, May 1989 / organized by The Dutch Foundation of Sexually Transmitted Diseases Control (STD Foundation). Edited by Maria E. M. Paalman. Swets & Zeitlinger.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Dutch Foundation of Sexually Transmitted Diseases Control و Maria E. M. Paalman. Promoting Safer Sex: Prevention of Sexual Transmission of AIDS and Other STD ; Proceedings of an International Workshop, May 1989 / Organized by The Dutch Foundation of Sexually Transmitted Diseases Control (STD Foundation). Edited by Maria E. M. Paalman. Amsterdam [u.a.]: Swets & Zeitlinger, 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Dutch Foundation of Sexually Transmitted Diseases Control و Maria E. M. Paalman. Promoting Safer Sex: Prevention of Sexual Transmission of AIDS and Other STD ; Proceedings of an International Workshop, May 1989 / Organized by The Dutch Foundation of Sexually Transmitted Diseases Control (STD Foundation). Edited by Maria E. M. Paalman. Swets & Zeitlinger, 1990.