Penn, W. S. (1966). Grp technology: :handbook to the polyster/ glass fibre plastic industry. Maclaren.
Chicago Edition CitationPenn, W S. Grp Technology: :handbook to the Polyster/ Glass Fibre Plastic Industry. London: Maclaren, 1966.
MLA Edition CitationPenn, W S. Grp Technology: :handbook to the Polyster/ Glass Fibre Plastic Industry. Maclaren, 1966.
Warning: These citations may not always be 100% accurate.