| Artist | : | Learn All 4 Mandarin Chinese Tones (Pronunciation Guide) | Lesson 1 |
| Title | : | ChineseFor.Us - Learn Mandarin Chinese Online |
| Duration | : | 586 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | Learn All 4 Mandarin Chinese Tones (Pronunciation Guide) | Lesson 1 |
| Title | : | ChineseFor.Us - Learn Mandarin Chinese Online |
| Duration | : | 586 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |