Gandhi, M., & Chander, J. P. (1939). The unseen power (3rd ed.). Free India Publications.
Lua i Stíl Chicago (17ú heag.)Gandhi, Mahatma, agus Jag Parvesh Chander. The Unseen Power. 3rd ed. Lahore: Free India Publications, 1939.
Lua MLA (8ú heag.)Gandhi, Mahatma, agus Jag Parvesh Chander. The Unseen Power. 3rd ed. Free India Publications, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.