APA (7th ed.) Citation

Learn to speak German: The complete interactive course ; beginner, intermediate level. Learning Co.

Chicago Style (17th ed.) Citation

Learn to Speak German: The Complete Interactive Course ; Beginner, Intermediate Level. Knoxville, Tenn: Learning Co.

MLA (9th ed.) Citation

Learn to Speak German: The Complete Interactive Course ; Beginner, Intermediate Level. Learning Co.

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