Bhatt. N.D. (2016). Machine Drawing (50th.). Charotar Publisher.
Lua i Stíl Chicago (17ú heag.)Bhatt. N.D. Machine Drawing. 50th. New Delhi: Charotar Publisher, 2016.
Lua MLA (9ú heag.)Bhatt. N.D. Machine Drawing. 50th. Charotar Publisher, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.