Lua APA (7ú heag.)
Barnfield, G. R., Male, T., & Sterland, E. G. (1964). Technical drawing. The English Universities Press.
Lua i Stíl Chicago (17ú heag.)
Barnfield, G. R., T. Male, agus E. G. Sterland. Technical Drawing. London: The English Universities Press, 1964.
Lua MLA (9ú heag.)
Barnfield, G. R., et al. Technical Drawing. The English Universities Press, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.