Cofnodi Dyfyniadau
Dyfyniad APA
Phifer, Carvalho Abílio Pacheco de, & National Industrial Conservation Movement. (1917). The hand that threatens our industrial life.. National Industrial Conservation Movement.
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Dyfyniad Arddull Chicago
Phifer, Carvalho Abílio Pacheco de, and National Industrial Conservation Movement. The hand That Threatens Our Industrial Life.. National Industrial Conservation Movement, 1917.
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Dyfyniad MLA
Phifer, et al. The hand That Threatens Our Industrial Life.. National Industrial Conservation Movement, 1917.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.