Sugiyama, G. (1996). Valve apparatus and hydraulic drive system. Patent Office Calcutta.
シカゴスタイル引用形Sugiyama, Genroku. Valve Apparatus and Hydraulic Drive System. Calcutta: Patent Office Calcutta, 1996.
MLA引用形式Sugiyama, Genroku. Valve Apparatus and Hydraulic Drive System. Patent Office Calcutta, 1996.
警告: この引用は必ずしも正確ではありません.