Dyfyniad APA

Speaking out: Realistic appoaches to environmental issues. Tokyo: Toyota Motor Corporation.

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Speaking Out: Realistic Appoaches to Environmental Issues. Tokyo: Toyota Motor Corporation.

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Speaking Out: Realistic Appoaches to Environmental Issues. Tokyo: Toyota Motor Corporation.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.