Henry, M., Clarke, D., & Vignos, J. (2001). US patent no. 6,311,136 B1: Digital flowmeter. United States Patent and Trademark Office.
Lua i Stíl Chicago (17ú heag.)Henry, M., D. Clarke, agus J. Vignos. US Patent No. 6,311,136 B1: Digital Flowmeter. United States Patent and Trademark Office, 2001.
Lua MLA (9ú heag.)Henry, M., et al. US Patent No. 6,311,136 B1: Digital Flowmeter. United States Patent and Trademark Office, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.