Dyfyniad APA

Pipes, A. (1992). Drawing for 3 dimensional design: Concepts, illustration, presentation. WCB.

Dyfyniad Arddull Chicago

Pipes, Alan. Drawing for 3 Dimensional Design: Concepts, Illustration, Presentation. Iowa: WCB, 1992.

Dyfyniad MLA

Pipes, Alan. Drawing for 3 Dimensional Design: Concepts, Illustration, Presentation. WCB, 1992.

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