Dyfyniad APA

Grossmann, R. (1990). The Fourth Way: A Theory of Knowledge. Indiana University Press.

Dyfyniad Arddull Chicago

Grossmann, Reinhardt. The Fourth Way: A Theory of Knowledge. Bloomington: Indiana University Press, 1990.

Dyfyniad MLA

Grossmann, Reinhardt. The Fourth Way: A Theory of Knowledge. Indiana University Press, 1990.

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