Zhengzhang, Shangfang \zh{郑张尚芳}. 2003. Shànggǔ yīnxì \zh{上古音系}. Shanghai: Shànghǎi jiàoyù chūbǎnshè \zh{上海教育出版社}.
@book{jacquesestimative-zhengzhang03yinxi,
address = {Shanghai},
author = {Zhengzhang, Shangfang \zh{郑张尚芳}},
publisher = {Shànghǎi jiàoyù chūbǎnshè \zh{上海教育出版社}},
title = {Shànggǔ yīnxì \zh{上古音系}},
year = {2003}
}