(1992). Werner Klotz: The boreas project.
Cita Chicago (17th ed.)Werner Klotz: The Boreas Project. Berlin, 1992.
Cita MLA (8th ed.)Werner Klotz: The Boreas Project. 1992.
Atenció: Aquestes cites poden no estar 100% correctes.
(1992). Werner Klotz: The boreas project.
Cita Chicago (17th ed.)Werner Klotz: The Boreas Project. Berlin, 1992.
Cita MLA (8th ed.)Werner Klotz: The Boreas Project. 1992.