Lua APA (7ú heag.)
Bhatt, N. D., & Panchal, V. M. Machine drawing (43rd ed.). Charotar Pub.
Lua i Stíl Chicago (17ú heag.)
Bhatt, N. D., agus V. M. Panchal. Machine Drawing. 43rd ed. Anand: Charotar Pub.
Lua MLA (9ú heag.)
Bhatt, N. D., agus V. M. Panchal. Machine Drawing. 43rd ed. Charotar Pub.
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