APA-viite (7. p.)
Bhatt, N. D., & Panchal, V. M. (2006). Elementary engineering drawing: Plane and solid geometry (49th ed.). Charotar Pub.
Chicago-viite (17. p.)
Bhatt, N. D., ja V. M. Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 49th ed. Anand: Charotar Pub, 2006.
MLA-viite (9. p.)
Bhatt, N. D., ja V. M. Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 49th ed. Charotar Pub, 2006.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.