(1913). Camburg [Hamburg]: 1:25000.
Cita Chicago (17th ed.)Camburg [Hamburg]: 1:25000. 1913.
Cita MLA (8th ed.)Camburg [Hamburg]: 1:25000. 1913.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)
(1913). Camburg [Hamburg]: 1:25000.
Cita Chicago (17th ed.)Camburg [Hamburg]: 1:25000. 1913.
Cita MLA (8th ed.)Camburg [Hamburg]: 1:25000. 1913.