Cita APA (7th ed.)

Kerbs, D., & Uka, W. (1988). Willi Münzenberg. Edition Echolot.

Cita Chicago (17th ed.)

Kerbs, Diethart, i Walter Uka. Willi Münzenberg. Berlin: Edition Echolot, 1988.

Cita MLA (8th ed.)

Kerbs, Diethart, i Walter Uka. Willi Münzenberg. Edition Echolot, 1988.