APA-viite (7. p.)
Bhatt, N. D., & Panchal, V. (2005). Elementary engineering drawing: Plane and solid geometry (48th ed.). Charotar Publishing House.
Chicago-viite (17. p.)
Bhatt, N. D., ja V.M Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 48th ed. Anand: Charotar Publishing House, 2005.
MLA-viite (9. p.)
Bhatt, N. D., ja V.M Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 48th ed. Charotar Publishing House, 2005.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.