Citazione Stile APA (7a Edizione)

Haas, W., & Mathieu, G. (1983). Deutsch für alle: Beginning college German ; a comprehensive approach (2nd ed.). Wiley.

Citazione stile Chigago Style (17a edizione)

Haas, Werner, e Gustave Mathieu. Deutsch Für Alle: Beginning College German ; a Comprehensive Approach. 2nd ed. New York [u.a.]: Wiley, 1983.

Citatione MLA (9a ed.)

Haas, Werner, e Gustave Mathieu. Deutsch Für Alle: Beginning College German ; a Comprehensive Approach. 2nd ed. Wiley, 1983.