Smith, R., Baker, P., & Kaplan, H. (2014). The selected letters of Robert Creeley. University of California Press.
Lua i Stíl Chicago (17ú heag.)Smith, Rod, Peter Baker, agus Harris Kaplan. The Selected Letters of Robert Creeley. Berkeley and Los Angeles, California ; London: University of California Press, 2014.
Lua MLA (9ú heag.)Smith, Rod, et al. The Selected Letters of Robert Creeley. University of California Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.