APA引文
Gill, P. (1987). A textbook of machine drawing (11th ed.). Katson.
芝加哥风格引文
Gill, P.S. A Textbook of Machine Drawing. 11th ed. Delhi: Katson, 1987.
MLA引文
Gill, P.S. A Textbook of Machine Drawing. 11th ed. Katson, 1987.
警告：这些引文格式不一定是100％准确.