APA引文

Sugiyama, G. (1996). Valve apparatus and hydraulic drive system. Patent Office Calcutta.

Chicago Edition Citation

Sugiyama, Genroku. Valve Apparatus and Hydraulic Drive System. Calcutta: Patent Office Calcutta, 1996.

MLA引文

Sugiyama, Genroku. Valve Apparatus and Hydraulic Drive System. Patent Office Calcutta, 1996.

警告：這些引文格式不一定是100％准確.