Routh, S. (2011). Extreme military machines: The world's toughest on land, sea and air! Meredith Corp.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRouth, Sarah. Extreme Military Machines: The World's Toughest on Land, Sea and Air! Des Moines, IA: Meredith Corp, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRouth, Sarah. Extreme Military Machines: The World's Toughest on Land, Sea and Air! Meredith Corp, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.