Trích dẫn APA

Learn to speak English: The complete interaction learning solution for non-English speakers of any language background.

Trích dẫn kiểu Chicago

Learn to Speak English: The Complete Interaction Learning Solution for Non-English Speakers of Any Language Background.

Trích dẫn MLA

Learn to Speak English: The Complete Interaction Learning Solution for Non-English Speakers of Any Language Background.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.