Coba jelasin Varian dari Mitsubishi H-60 dong

Leoni, Ray D. Black Hawk, The Story of a World Class Helicopter, American Institute of Aeronautics and Astronautics, 2007. ISBN 978-1-56347-918-2.

Bishop, Chris. Sikorsky UH-60 Black Hawk, Osprey Publishing, 2008. ISBN 978-1-84176-852-6.