Lua APA (7ú heag.)
Barzun, J., & Graff, H. F. (1985). The modern researcher (4th ed.). Harcourt Brace Jovanovich.
Lua i Stíl Chicago (17ú heag.)
Barzun, Jacques, agus Henry F. Graff. The Modern Researcher. 4th ed. San Diego: Harcourt Brace Jovanovich, 1985.
Lua MLA (9ú heag.)
Barzun, Jacques, agus Henry F. Graff. The Modern Researcher. 4th ed. Harcourt Brace Jovanovich, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.