Zimmerman, M. (2004). The essential guide to motorcycle maintenance: Tips & techniques to keep your motorcycle in top condition. Whitehorse Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zimmerman, Mark. The Essential Guide to Motorcycle Maintenance: Tips & Techniques to Keep Your Motorcycle in Top Condition. Center Conway, NH: Whitehorse Press, 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Zimmerman, Mark. The Essential Guide to Motorcycle Maintenance: Tips & Techniques to Keep Your Motorcycle in Top Condition. Whitehorse Press, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.