Hildebrand, J. H., & Scott, R. L. (1962). Regular solutions. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Hildebrand, Joel Henry, agus Robert Lane Scott. Regular Solutions. Englewood Cliffs, N.J: Prentice-Hall, 1962.
Lua MLA (9ú heag.)Hildebrand, Joel Henry, agus Robert Lane Scott. Regular Solutions. Prentice-Hall, 1962.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.