Dyfyniad APA

Penn, W. (1966). GRP technology: Handbook to the polyester/glass fibre plastics industry. Maclaren.

Dyfyniad Arddull Chicago

Penn, W.S. GRP Technology: Handbook to the Polyester/glass Fibre Plastics Industry. London: Maclaren, 1966.

Dyfyniad MLA

Penn, W.S. GRP Technology: Handbook to the Polyester/glass Fibre Plastics Industry. Maclaren, 1966.

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