Hofmeister, B. (1969). Germany's industrial giant: By Burkhard Hofmeister.
Cita Chicago (17th ed.)Hofmeister, Burkhard. Germany's Industrial Giant: By Burkhard Hofmeister. London, 1969.
Cita MLA (8th ed.)Hofmeister, Burkhard. Germany's Industrial Giant: By Burkhard Hofmeister. 1969.
Atenció: Aquestes cites poden no estar 100% correctes.