Cita APA (7th ed.)

Urban, A. I., & Halm, G. (2016). Wertstoffhof - chancen, entwicklungen,... (2016). Kassel University Press.

Cita Chicago (17th ed.)

Urban, Arnd I., i Gerhard Halm. Wertstoffhof - Chancen, Entwicklungen,... (2016). Kassel, [Germany]: Kassel University Press, 2016.

Cita MLA (9th ed.)

Urban, Arnd I., i Gerhard Halm. Wertstoffhof - Chancen, Entwicklungen,... (2016). Kassel University Press, 2016.