Gill, P. (2009). Textbook of engineering drawing: Geometrical drawing (11th ed.). S.K. Kataria.
シカゴスタイル引用形Gill, P.S. Textbook of Engineering Drawing: Geometrical Drawing. 11th ed. New Delhi: S.K. Kataria, 2009.
MLA引用形式Gill, P.S. Textbook of Engineering Drawing: Geometrical Drawing. 11th ed. S.K. Kataria, 2009.
警告: この引用は必ずしも正確ではありません.