APA引文

GILL, P. S. (2013). A TEXTBOOK OF MACHINE DRAWING (17th.). S.K.KATARIA & SONS.

芝加哥风格引文

GILL, PRITAM. SINGH. A TEXTBOOK OF MACHINE DRAWING. 17th. NEW DELHI: S.K.KATARIA & SONS, 2013.

MLA引文

GILL, PRITAM. SINGH. A TEXTBOOK OF MACHINE DRAWING. 17th. S.K.KATARIA & SONS, 2013.

警告：这些引文格式不一定是100％准确.