Lipsey, R. (2019). Gurdjieff reconsidered: The life, the teachings, the legacy (First edition.). Shambhala.
Chicago-Zitierstil (17. Ausg.)Lipsey, Roger. Gurdjieff Reconsidered: The Life, the Teachings, the Legacy. First edition. Boulder: Shambhala, 2019.
MLA-Zitierstil (9. Ausg.)Lipsey, Roger. Gurdjieff Reconsidered: The Life, the Teachings, the Legacy. First edition. Shambhala, 2019.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.