Porsche 911 (991): The Definitive History 2011 to 2019: Long, Brian: 9781787117921: Amazon.com: Books
Porsche commemorates 50 years of 911 with limited edition model - Sgcarmart
911 x 911: The Official Anniversary Book Celebrating 50 Years of the Porsche 911 (English, Spanish, French, German, Russian and Chinese Edition): Dieter Landenberger, The Porsche Museum: 9781935007234: Amazon.com: Books