Drabek, Z. (2002). Investment Policies and Telecommunications Regimes.
Cita Chicago (17th ed.)Drabek, Zdenek. Investment Policies and Telecommunications Regimes. Hamburg, 2002.
Cita MLA (8th ed.)Drabek, Zdenek. Investment Policies and Telecommunications Regimes. 2002.
Atenció: Aquestes cites poden no estar 100% correctes.