Nyan-Ping Bi. Co-author. Integrated Chinese, Level 1, Part 2, Textbook, Workbook, and Character Workbook (3rd edition). Boston: Cheng & Tsui Company, 2008.
Integrated Chinese, Level 1, Part 2, Textbook, Workbook, and Character Workbook (3rd edition)
Nyan-Ping Bi. Co-author. Integrated Chinese, Level 1, Part 2, Textbook, Workbook, and Character Workbook (3rd edition). Boston: Cheng & Tsui Company, 2008.