World Health Organization, Geneva, United Nationas Environment Programme, & International Labour Organization. (1992). Environmental health criteria 138: 2 - nitropropane. World Health Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Health Organization, Geneva, United Nationas Environment Programme, و International Labour Organization. Environmental Health Criteria 138: 2 - Nitropropane. Geneva: World Health Organization, 1992.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)World Health Organization, Geneva, et al. Environmental Health Criteria 138: 2 - Nitropropane. World Health Organization, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.