Mandl, J. J. (2007). Property investment in Bulgaria: Why invest? why not to invest? Diplom.de.
Cita Chicago (17th ed.)Mandl, Jubilee Jenna. Property Investment in Bulgaria: Why Invest? Why Not to Invest? Hamburg: Diplom.de, 2007.
Cita MLA (9th ed.)Mandl, Jubilee Jenna. Property Investment in Bulgaria: Why Invest? Why Not to Invest? Diplom.de, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.