Dyfyniad APA

Grenander, U. (2012). Calculus of ideas: Mathematical study of human thought. World scientific publishing.

Dyfyniad Arddull Chicago

Grenander, Ulf. Calculus of Ideas: Mathematical Study of Human Thought. Singapore: World scientific publishing, 2012.

Dyfyniad MLA

Grenander, Ulf. Calculus of Ideas: Mathematical Study of Human Thought. World scientific publishing, 2012.

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