Não informado. (1974). American Highway and Transportation Monthly. American Association of State Highway and Transportation Officials.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. American Highway and Transportation Monthly. Washington: American Association of State Highway and Transportation Officials, 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. American Highway and Transportation Monthly. American Association of State Highway and Transportation Officials, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.