Dyfyniad APA

LEVENS, A. S. (1962). Graphics: With an introduction to conceptual design. John Wiley & Sons.

Dyfyniad Arddull Chicago

LEVENS, Alexander S. Graphics: With an Introduction to Conceptual Design. John Wiley & Sons, 1962.

Dyfyniad MLA

LEVENS, Alexander S. Graphics: With an Introduction to Conceptual Design. John Wiley & Sons, 1962.

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