Woodward, J., & James Woodward. (2003). Making things happen: A theory of causal explanation. New York: Oxford University Press.
Dyfyniad Arddull ChicagoWoodward, James, và James Woodward. Making Things Happen: A Theory of Causal Explanation. New York: Oxford University Press, 2003.
Dyfyniad MLAWoodward, James, và James Woodward. Making Things Happen: A Theory of Causal Explanation. New York: Oxford University Press, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.