Lua APA (7ú heag.)
Bhatt, N., & Panchal, V. (2001). Elementary engineering drawing: Plane and solid geometry (43rd ed.). Anand.
Lua i Stíl Chicago (17ú heag.)
Bhatt, N.D, agus V.M Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 43rd ed. Charotar Pub: Anand, 2001.
Lua MLA (9ú heag.)
Bhatt, N.D, agus V.M Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 43rd ed. Anand, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.