Cita APA

Gerngross, G., & Puchta, H. (1992). Creative grammar practice: Getting learners to use both sides of the brain. London: Longman.

Citación estilo Chicago

Gerngross, Günter, and Herbert Puchta. Creative Grammar Practice: Getting Learners to Use Both Sides of the Brain. London: Longman, 1992.

Cita MLA

Gerngross, Günter, and Herbert Puchta. Creative Grammar Practice: Getting Learners to Use Both Sides of the Brain. London: Longman, 1992.