Gunnell, J. (1993). American work trucks: A pictorial history of commercial trucks, 1900-1994. Krause Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGunnell, John. American Work Trucks: A Pictorial History of Commercial Trucks, 1900-1994. Iola, WI: Krause Publications, 1993.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGunnell, John. American Work Trucks: A Pictorial History of Commercial Trucks, 1900-1994. Krause Publications, 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.