Penn, W. S. (1966). Grp technology: :handbook to the polyster/ glass fibre plastic industry. Maclaren.
Chicago Stili AlıntıPenn, W S. Grp Technology: :handbook to the Polyster/ Glass Fibre Plastic Industry. London: Maclaren, 1966.
MLA AlıntıPenn, W S. Grp Technology: :handbook to the Polyster/ Glass Fibre Plastic Industry. Maclaren, 1966.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..