SpringerLink (Online service) & Forrester, C. (2011). High above: The untold story of Astra, Europe's leading satellite company. Springer eBooks..
芝加哥风格引文SpringerLink (Online service) 与 Chris Forrester. "High Above: The Untold Story of Astra, Europe's Leading Satellite Company." Springer EBooks. 2011.
MLA引文SpringerLink (Online service) 与 Chris Forrester. "High Above: The Untold Story of Astra, Europe's Leading Satellite Company." Springer EBooks., 2011.
警告：这些引文格式不一定是100％准确.