Citazione Stile APA (7a Edizione)

Gerngross, G., & Puchta, H. (1996). Do and understand: 50 action stories for young learners. Longman.

Citazione stile Chigago Style (17a edizione)

Gerngross, Günter, e Herbert Puchta. Do and Understand: 50 Action Stories for Young Learners. Harlow: Longman, 1996.

Citatione MLA (8a ed.)

Gerngross, Günter, e Herbert Puchta. Do and Understand: 50 Action Stories for Young Learners. Longman, 1996.