Porsche 911 Carrera: 3.2 series Coupé, Targa, Cabriolet & Speedster: Model years 1984 to 1989 (The Essential Buyer's Guide): Streather, Adrian: 9781787114678: Amazon.com: Books
Porsche 911 (993): Carrera, Carrera 4 and turbocharged models. Model years 1994 to 1998 (The Essential Buyer's Guide): Streather, Adrian: 9781787116603: Amazon.com: Books
Porsche 911 (964): Carrera 2, Carrera 4 and Turbocharged Models 1989 to 1994 (The Essential Buyer's Guide): Streather, Adrian: 9781787116757: Amazon.com: Books