Woodward, R. B., & Hoffmann, R. (1970). The conservation of orbital symmetry. Chemie.
Lua i Stíl Chicago (17ú heag.)Woodward, R. B., agus R. Hoffmann. The Conservation of Orbital Symmetry. Weinheim: Chemie, 1970.
Lua MLA (9ú heag.)Woodward, R. B., agus R. Hoffmann. The Conservation of Orbital Symmetry. Chemie, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.