Gw mau tau {| class="wikitable" dari Li (unit). Jelasin dalam bahasa melayu

|+ 'Perkembangan nilai li sepanjang sejarah tamadun Cina

! Panjang mengikut ukuran SI

| 205 SM - 220 CE

| Pemerintahan Kuomintang di China dan kemudiannya Taiwan

| Pemerintahan Komunis di Tanah Besar

Homer H. Dubs (1938): The History of the Former Han Dynasty by Pan Ku. Vol. One. Translator and editor: Homer H. Dubs. Baltimore. Waverly Press, Inc.

Homer H. Dubs (1955): The History of the Former Han Dynasty by Pan Ku. Vol. Three. Translator and editor: Homer H. Dubs. Ithaca, New York. Spoken Languages Services, Inc.

Hulsewé, A. F. P. (1961). "Han measures". A. F. P. Hulsewé, T'oung pao Archives, Vol. XLIX, Livre 3, pp. 206–207.

Needham, Joseph. (1986). Science and Civilization in China: Volume 4, Physics and Physical Technology, Part 3, Civil Engineering and Nautics''. Taipei: Caves Books Ltd.