Citazione Stile APA (7a Edizione)

Gschossmann-Hendershot, E. F., & Feuerle, L. M. (1997). Schaum's outline of German grammar (3rd ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Gschossmann-Hendershot, Elke F., e Lois M. Feuerle. Schaum's Outline of German Grammar. 3rd ed. New York: McGraw-Hill, 1997.

Citatione MLA (9a ed.)

Gschossmann-Hendershot, Elke F., e Lois M. Feuerle. Schaum's Outline of German Grammar. 3rd ed. McGraw-Hill, 1997.