French, T. E., Vierck, C. J., & Forter, R. J. (1984). Graphic science and design (4th ed.). McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)French, Thomas Ewing, Charles J. Vierck, agus Robert J. Forter. Graphic Science and Design. 4th ed. New York: McGraw-Hill, 1984.
Lua MLA (9ú heag.)French, Thomas Ewing, et al. Graphic Science and Design. 4th ed. McGraw-Hill, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.