British Library. Patents Information & Newton, D. (1997). The inventor's guide: How to protect and profit from your idea. The British Library Gower.
Citazione stile Chigago Style (17a edizione)British Library. Patents Information e David Newton. The Inventor's Guide: How to Protect and Profit from Your Idea. [London], Hampshire, England, Brookfield, Vt: The British Library Gower, 1997.
Citatione MLA (9a ed.)British Library. Patents Information e David Newton. The Inventor's Guide: How to Protect and Profit from Your Idea. The British Library Gower, 1997.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.