The Agency for Instructional Technology. (1998). Making Waves: A Study of Light and Sound. South-Western Educational.
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Dyfyniad Arddull Chicago
The Agency for Instructional Technology. Making Waves: A Study of Light and Sound. New York: South-Western Educational, 1998.
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Dyfyniad MLA
The Agency for Instructional Technology. Making Waves: A Study of Light and Sound. South-Western Educational, 1998.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.