Cheng, M. (2024). 15-minute Mandarin Chinese: Learn in just 12 weeks (Revised edition, American edition, Fourth edition.). DK.
Cita Chicago Style (17a ed.)Cheng, Ma. 15-minute Mandarin Chinese: Learn in Just 12 Weeks. Revised edition, American edition, Fourth edition. New York, NY: DK, 2024.
Cita MLA (8a ed.)Cheng, Ma. 15-minute Mandarin Chinese: Learn in Just 12 Weeks. Revised edition, American edition, Fourth edition. DK, 2024.
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