Citazione Stile APA (7a Edizione)

Müller, M., & Nentwich, M. (2000). Communities and regions in Germany: Social studies grades 3-4 (Update 2000.). Inter Nationes.

Citazione stile Chigago Style (17a edizione)

Müller, Martina, e Michael Nentwich. Communities and Regions in Germany: Social Studies Grades 3-4. Update 2000. Bonn: Inter Nationes, 2000.

Citatione MLA (9a ed.)

Müller, Martina, e Michael Nentwich. Communities and Regions in Germany: Social Studies Grades 3-4. Update 2000. Inter Nationes, 2000.