APA (7th ed.) Citation

Dunn, V., & Gruber, D. Listening. Intermediate.

Chicago Style (17th ed.) Citation

Dunn, Viviane, and Diann Gruber. Listening. Intermediate.

MLA (8th ed.) Citation

Dunn, Viviane, and Diann Gruber. Listening. Intermediate.

Warning: These citations may not always be 100% accurate.