Dyfyniad APA

Radder, H. (2006). The world observed, the world conceived. University of Pittsburgh Press.

Dyfyniad Arddull Chicago

Radder, Hans. The World Observed, the World Conceived. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2006.

Dyfyniad MLA

Radder, Hans. The World Observed, the World Conceived. University of Pittsburgh Press, 2006.

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