Foerster, C. (1987). Berlin. Brockhaus.
Cita Chicago (17th ed.)Foerster, Christel. Berlin. Leipzig: Brockhaus, 1987.
Cita MLA (8th ed.)Foerster, Christel. Berlin. Brockhaus, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.
Foerster, C. (1987). Berlin. Brockhaus.
Cita Chicago (17th ed.)Foerster, Christel. Berlin. Leipzig: Brockhaus, 1987.
Cita MLA (8th ed.)Foerster, Christel. Berlin. Brockhaus, 1987.