Gill, P. S. (2004). A Textbook of machine drawing. S K Kataria & Sons.
Chicago Edition CitationGill, P S. A Textbook of Machine Drawing. Delhi: S K Kataria & Sons, 2004.
MLA引文Gill, P S. A Textbook of Machine Drawing. S K Kataria & Sons, 2004.
警告:這些引文格式不一定是100%准確.