Campbell, A. (1973). Seven states of consciousness: A vision of possibilities suggested by the teaching of Maharishi Mahesh Yogi. Gollancz.
Chicago-Zitierstil (17. Ausg.)Campbell, Anthony. Seven States of Consciousness: A Vision of Possibilities Suggested by the Teaching of Maharishi Mahesh Yogi. London: Gollancz, 1973.
MLA-Zitierstil (9. Ausg.)Campbell, Anthony. Seven States of Consciousness: A Vision of Possibilities Suggested by the Teaching of Maharishi Mahesh Yogi. Gollancz, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.