TOWNSEND CARL. (1989). VENTURA TIPS AND TECHNIQUES FOR VERSION 2. BPB PUBLICATIONS.
Cita Chicago (17th ed.)TOWNSEND CARL. VENTURA TIPS AND TECHNIQUES FOR VERSION 2. DELHI: BPB PUBLICATIONS, 1989.
Cita MLA (9th ed.)TOWNSEND CARL. VENTURA TIPS AND TECHNIQUES FOR VERSION 2. BPB PUBLICATIONS, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.