Cita APA (7a ed.)

Imwalle, C. (2013). Rohstoffe. Friedrich.

Cita Chicago Style (17a ed.)

Imwalle, Claudia. Rohstoffe. Seelze: Friedrich, 2013.

Cita MLA (9a ed.)

Imwalle, Claudia. Rohstoffe. Friedrich, 2013.