Zuber, R. (1980). Who are you Monsieur Gurdjieff? Routledge & Kegan Paul.
Lua i Stíl Chicago (17ú heag.)Zuber, Renae. Who Are You Monsieur Gurdjieff? London, Boston: Routledge & Kegan Paul, 1980.
Lua MLA (9ú heag.)Zuber, Renae. Who Are You Monsieur Gurdjieff? Routledge & Kegan Paul, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.