Bender, J., & Wellbery, D. E. (1991). Chronotypes: The construction of time. Stanford Univ. Pr..
Lua i Stíl Chicago (17ú heag.)Bender, John, agus David E. Wellbery. Chronotypes: The Construction of Time. Stanford, CA: Stanford Univ. Pr., 1991.
Lua MLA (8ú heag.)Bender, John, agus David E. Wellbery. Chronotypes: The Construction of Time. Stanford Univ. Pr., 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.