American Society of Heating, Refrigerating and Air-Conditioning Engineers. (1981). ASHRAE product specification file. American Society of Heating, Refrigerating and Air-Conditioning Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Society of Heating, Refrigerating and Air-Conditioning Engineers. ASHRAE Product Specification File. Atlanta, Ga.: American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1981.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)American Society of Heating, Refrigerating and Air-Conditioning Engineers. ASHRAE Product Specification File. American Society of Heating, Refrigerating and Air-Conditioning Engineers, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.