Dyfyniad APA

Alt,James.E. (1990). Perspectives on positive political economy. Cambridge University Press.

Dyfyniad Arddull Chicago

Alt,James.E. Perspectives on Positive Political Economy. Cambridge: Cambridge University Press, 1990.

Dyfyniad MLA

Alt,James.E. Perspectives on Positive Political Economy. Cambridge University Press, 1990.

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