Karolevitz, R. F. (1966). This was trucking: A pictorial history of the first quarter century of commercial motor vehicles ([1st ed.].). Superior Pub. Co.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Karolevitz, Robert F. This Was Trucking: A Pictorial History of the First Quarter Century of Commercial Motor Vehicles. [1st ed.]. Seattle: Superior Pub. Co, 1966.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Karolevitz, Robert F. This Was Trucking: A Pictorial History of the First Quarter Century of Commercial Motor Vehicles. [1st ed.]. Superior Pub. Co, 1966.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.