(1987). McGraw-Hill encyclopaedia of science and technology (6th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)McGraw-Hill Encyclopaedia of Science and Technology. 6th ed. New York: McGraw-Hill, 1987.
Lua MLA (9ú heag.)McGraw-Hill Encyclopaedia of Science and Technology. 6th ed. McGraw-Hill, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.