Dyfyniad APA

Popper, K. R. S., & Miller, D. W. (1984). Popper selections. Princeton University Press.

Dyfyniad Arddull Chicago

Popper, Karl Raimund Sir, and David W. Miller. Popper Selections. Princeton, N.J: Princeton University Press, 1984.

Dyfyniad MLA

Popper, Karl Raimund Sir, and David W. Miller. Popper Selections. Princeton University Press, 1984.

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