Παραπομπή APA

Wolpert, V. M. (1990). Recycling of plastics: Commodity and engineering plastics. East Sussex: Hunters.

Παραπομπή Chicago Style

Wolpert, Vladimir M. Recycling of Plastics: Commodity and Engineering Plastics. East Sussex: Hunters, 1990.

Παραπομπή MLA

Wolpert, Vladimir M. Recycling of Plastics: Commodity and Engineering Plastics. East Sussex: Hunters, 1990.

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