Singh Balraj. (2005). Entrepreneurship Development (2nd.). Wisdom Publications.
Dyfyniad Arddull ChicagoSingh Balraj. Entrepreneurship Development. 2nd. Delhi: Wisdom Publications, 2005.
Dyfyniad MLASingh Balraj. Entrepreneurship Development. 2nd. Wisdom Publications, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.