Παραπομπή APA

G P Gupta. (1994). Management by Consciousness in 21st Century. Excel Books.

Παραπομπή Chicago Style

G P Gupta. Management by Consciousness in 21st Century. New Delhi: Excel Books, 1994.

Παραπομπή MLA

G P Gupta. Management by Consciousness in 21st Century. Excel Books, 1994.