Griffin, A. (1974). Motorcycles; a buyer's & rider's guide. Chicago: H. Regnery Co.
शिकागो स्टाइल उद्धरणGriffin, Al. Motorcycles; a Buyer's & Rider's Guide. Chicago: H. Regnery Co, 1974.
एमएलए उद्धरणGriffin, Al. Motorcycles; a Buyer's & Rider's Guide. Chicago: H. Regnery Co, 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.