Barzun, J. (1956). The energies of art; studies of authors classic and modern. Harper.
Lua i Stíl Chicago (17ú heag.)Barzun, Jacques. The Energies of Art; Studies of Authors Classic and Modern. New York: Harper, 1956.
Lua MLA (9ú heag.)Barzun, Jacques. The Energies of Art; Studies of Authors Classic and Modern. Harper, 1956.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.