George, E. (1980). Was sieht die Ringeltaube? Kinderbuchverlag.
Citazione stile Chigago Style (17a edizione)George, Edith. Was Sieht Die Ringeltaube? Berlin: Kinderbuchverlag, 1980.
Citatione MLA (8a ed.)George, Edith. Was Sieht Die Ringeltaube? Kinderbuchverlag, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.