Washington State Energy Office, Washington State University. Office of Applied Energy Studies, & Washington State University. Environmental Research Center. (1979). Washington State energy use profile. The Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Washington State Energy Office, Washington State University. Office of Applied Energy Studies, و Washington State University. Environmental Research Center. Washington State Energy Use Profile. Olympia, Wash.: The Office, 1979.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Washington State Energy Office, et al. Washington State Energy Use Profile. The Office, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.