(1987). Subject headings for Engineering (1987 ed.). Engineering Information.
Lua i Stíl Chicago (17ú heag.)Subject Headings for Engineering. 1987 ed. [New York]: Engineering Information, 1987.
Lua MLA (9ú heag.)Subject Headings for Engineering. 1987 ed. Engineering Information, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.