Child, H. (1988). Calligraphy today: Twentieth-century tradition and practice. A & C Black.
芝加哥风格引文Child, Heather. Calligraphy Today: Twentieth-century Tradition and Practice. London: A & C Black, 1988.
MLA引文Child, Heather. Calligraphy Today: Twentieth-century Tradition and Practice. A & C Black, 1988.
警告：这些引文格式不一定是100％准确.