Dyfyniad APA

Rumelt Richard. (2009). Good strategy bad strategy: The hidden forces that shape our deceisions. Haper collins.

Dyfyniad Arddull Chicago

Rumelt Richard. Good Strategy Bad Strategy: The Hidden Forces That Shape Our Deceisions. London: Haper collins, 2009.

Dyfyniad MLA

Rumelt Richard. Good Strategy Bad Strategy: The Hidden Forces That Shape Our Deceisions. Haper collins, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.