HOLTZ MATHEW. (1989). VENTURA INSTANT REFERENCE. BPB PUBLICATIONS.
Cita Chicago (17th ed.)HOLTZ MATHEW. VENTURA INSTANT REFERENCE. DELHI: BPB PUBLICATIONS, 1989.
Cita MLA (9th ed.)HOLTZ MATHEW. VENTURA INSTANT REFERENCE. BPB PUBLICATIONS, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.