BHATT, N. D. (2000). MACHINE DRAWING, 33 RD ED. KHANNA PUB.
Lua i Stíl Chicago (17ú heag.)BHATT, N D. MACHINE DRAWING, 33 RD ED. AANAND: KHANNA PUB, 2000.
Lua MLA (9ú heag.)BHATT, N D. MACHINE DRAWING, 33 RD ED. KHANNA PUB, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.