Bhatt, N. D. (1980). Elementary engineering drawing (16.). Charotar publishing house.
Čikaški stil citiranjaBhatt, N D. Elementary Engineering Drawing. 16. Anand: Charotar publishing house, 1980.
MLA način citiranjaBhatt, N D. Elementary Engineering Drawing. 16. Charotar publishing house, 1980.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.