Dyfyniad APA

Mitchell, B. (1965). Theory of categories. Academic Press.

Dyfyniad Arddull Chicago

Mitchell, Barry. Theory of Categories. New York: Academic Press, 1965.

Dyfyniad MLA

Mitchell, Barry. Theory of Categories. Academic Press, 1965.

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