(2001). Bundesbericht Forschung 2000.
Cita Chicago (17th ed.)Bundesbericht Forschung 2000. Bonn, 2001.
Cita MLA (8th ed.)Bundesbericht Forschung 2000. 2001.
Atenció: Aquestes cites poden no estar 100% correctes.
(2001). Bundesbericht Forschung 2000.
Cita Chicago (17th ed.)Bundesbericht Forschung 2000. Bonn, 2001.
Cita MLA (8th ed.)Bundesbericht Forschung 2000. 2001.