Citazione Stile APA (7a Edizione)

Appleby, M., & Hoffmann, R. (2009). Diercke - Geography (For bilingual classes, [alle Bundesländer], Druck A 3.). Westermann.

Citazione stile Chigago Style (17a edizione)

Appleby, Matthew, e Reinhard Hoffmann. Diercke - Geography. For bilingual classes, [alle Bundesländer], Druck A 3. Braunschweig: Westermann, 2009.

Citatione MLA (9a ed.)

Appleby, Matthew, e Reinhard Hoffmann. Diercke - Geography. For bilingual classes, [alle Bundesländer], Druck A 3. Westermann, 2009.