Cofnodi Dyfyniadau
Dyfyniad APA
Crow, W. C. (1986). Communication graphics. Prentice-Hall.
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Dyfyniad Arddull Chicago
Crow, Wendell C. Communication Graphics. Englewood Cliffs, N.J.: Prentice-Hall, 1986.
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Dyfyniad MLA
Crow, Wendell C. Communication Graphics. Prentice-Hall, 1986.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.