Welch, C. R. (1988). Steppenwolf & Siddhartha: Notes, including life and background .. Cliffs Notes.
Lua i Stíl Chicago (17ú heag.)Welch, Carolyn Roberts. Steppenwolf & Siddhartha: Notes, Including Life and Background .. Lincoln, Neb: Cliffs Notes, 1988.
Lua MLA (9ú heag.)Welch, Carolyn Roberts. Steppenwolf & Siddhartha: Notes, Including Life and Background .. Cliffs Notes, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.