Howard, W. (1968). Nine roads to renewal. Woldbooks.
Lua i Stíl Chicago (17ú heag.)Howard, Walden. Nine Roads to Renewal. Woldbooks, 1968.
Lua MLA (9ú heag.)Howard, Walden. Nine Roads to Renewal. Woldbooks, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.