Ball, A. P., & Gary, J. A. (1984). Colour aids, infectious diseases. Livingstone.
Lua i Stíl Chicago (17ú heag.)Ball, A. P., agus J. A. Gary. Colour Aids, Infectious Diseases. Edinburgh: Livingstone, 1984.
Lua MLA (9ú heag.)Ball, A. P., agus J. A. Gary. Colour Aids, Infectious Diseases. Livingstone, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.