Bhatt/Panchal. (1997). Geometrial &Machine Drawing. Charotar.
Chicago Style (17th ed.) CitationBhatt/Panchal. Geometrial &Machine Drawing. Anand: Charotar, 1997.
MLA引文Bhatt/Panchal. Geometrial &Machine Drawing. Charotar, 1997.
警告:這些引文格式不一定是100%准確.