Heer, A. Zeitwandel.
Cita Chicago (17th ed.)Heer, Albert. Zeitwandel.
Cita MLA (8th ed.)Heer, Albert. Zeitwandel.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)
Heer, A. Zeitwandel.
Cita Chicago (17th ed.)Heer, Albert. Zeitwandel.
Cita MLA (8th ed.)Heer, Albert. Zeitwandel.