Bhatt/Panchal. (1997). Geometrial &Machine Drawing. Charotar.
芝加哥风格引文Bhatt/Panchal. Geometrial &Machine Drawing. Anand: Charotar, 1997.
MLA引文Bhatt/Panchal. Geometrial &Machine Drawing. Charotar, 1997.
警告：这些引文格式不一定是100％准确.
APA引文