Hook, L., & Gaver, M. V. (1969). The research paper. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Hook, Lucyle, agus Mary Virginia Gaver. The Research Paper. New York: Prentice-Hall, 1969.
Lua MLA (9ú heag.)Hook, Lucyle, agus Mary Virginia Gaver. The Research Paper. Prentice-Hall, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.