Justus, D. (1984). Zeitvergleich: Eduard Bargheer, Reinhard Drenkhahn, Arnold Fiedler, Werner Gilles, Willem Grimm, Werner Heldt, Karl Hofer, Karl Kluth, Ernst Wilhelm Nay, Rolf Nesch.
Citazione stile Chigago Style (17a edizione)Justus, Dirk. Zeitvergleich: Eduard Bargheer, Reinhard Drenkhahn, Arnold Fiedler, Werner Gilles, Willem Grimm, Werner Heldt, Karl Hofer, Karl Kluth, Ernst Wilhelm Nay, Rolf Nesch. Hamburg, 1984.
Citatione MLA (8a ed.)Justus, Dirk. Zeitvergleich: Eduard Bargheer, Reinhard Drenkhahn, Arnold Fiedler, Werner Gilles, Willem Grimm, Werner Heldt, Karl Hofer, Karl Kluth, Ernst Wilhelm Nay, Rolf Nesch. 1984.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.