Balke,Ellen. (1999). Know yourself: Achieve your goals through better self-knowledge. Kogan Page.
Dyfyniad Arddull ChicagoBalke,Ellen. Know Yourself: Achieve Your Goals Through Better Self-knowledge. New Delhi: Kogan Page, 1999.
Dyfyniad MLABalke,Ellen. Know Yourself: Achieve Your Goals Through Better Self-knowledge. Kogan Page, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.