APA-viite (7. p.)
Bhatt, N., & Panchal, V. (2001). Elementary engineering drawing: Plane and solid geometry (43rd ed.). Anand.
Chicago-viite (17. p.)
Bhatt, N.D, ja V.M Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 43rd ed. Charotar Pub: Anand, 2001.
MLA-viite (9. p.)
Bhatt, N.D, ja V.M Panchal. Elementary Engineering Drawing: Plane and Solid Geometry. 43rd ed. Anand, 2001.
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