Schriever, E. G. (1984). Electrical drafting. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Schriever, Errol G. Electrical Drafting. Englewood Cliffs, N.J: Prentice-Hall, 1984.
Lua MLA (9ú heag.)Schriever, Errol G. Electrical Drafting. Prentice-Hall, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.