Cheng, Robert L. (June 1985). "A Comparison of Taiwanese, Taiwan Mandarin, and Peking Mandarin". Language. 61 (2): 352–377. doi:10.2307/414149. JSTOR414149.
jstor.org
Chung-Yu, Chen; 陈重瑜 (1994). "Evidence of High-Frequency Colloquial Forms Moving Towards the Yin-Ping Tone / 常用口语字阴平化的例证". Journal of Chinese Linguistics. 22 (1): 1–39. JSTOR23756584.
Cheng, Robert L. (June 1985). "A Comparison of Taiwanese, Taiwan Mandarin, and Peking Mandarin". Language. 61 (2): 352–377. doi:10.2307/414149. JSTOR414149.