Knamiller, G., & Smyth, J. (1987). The environmental science and technology education. Pergamon.
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Dyfyniad Arddull Chicago
Knamiller, G.W, and J.C Smyth. The Environmental Science and Technology Education. Oxford: Pergamon, 1987.
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Dyfyniad MLA
Knamiller, G.W, and J.C Smyth. The Environmental Science and Technology Education. Pergamon, 1987.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.