British Library. Patents Information & Newton, D. (1997). The inventor's guide: How to protect and profit from your idea. The British Library Gower.
Παραπομπή σε μορφή Chicago (17η εκδ.)British Library. Patents Information και David Newton. The Inventor's Guide: How to Protect and Profit from Your Idea. [London], Hampshire, England, Brookfield, Vt: The British Library Gower, 1997.
Παραπομπή σε μορφή MLA (9th εκδ.)British Library. Patents Information και David Newton. The Inventor's Guide: How to Protect and Profit from Your Idea. The British Library Gower, 1997.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.