Donald J Walters. (1998). Superconsciousness: A guide to meditation. Motilal Banarsidass.
Chicago Edition CitationDonald J Walters. Superconsciousness: A Guide to Meditation. New Delhi: Motilal Banarsidass, 1998.
MLA Edition CitationDonald J Walters. Superconsciousness: A Guide to Meditation. Motilal Banarsidass, 1998.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.